Natural health practitioner, with academic training also in history and philosophy. Specific interest in the scientific basis for healthcare. Independent research as well as in active practice.
The purpose of this book is to re-examine basic concepts in the conventional homeopathic medical ... more The purpose of this book is to re-examine basic concepts in the conventional homeopathic medical field necessary to a genuine practitioner of the remedial art, as Hahnemann would say (Heilkünstler), in the light of new insights based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker. The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined. The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
The purpose of this book is to present the first complete history (based on all known documents) ... more The purpose of this book is to present the first complete history (based on all known documents) of a pivotal event in homeopathic history involving the use of dual remedies. As Santayana stated, those who do not remember their history are condemned to repeat it. Historical knowledge, what the Greeks called historia, is fundamental to becoming a genuine practitioner of the remedial art, a Heilkünstler, as Hahnemann termed it. Conventional homeopathy, by ignoring, denying or suppressing the facts of the dual remedy affair, condemns itself to a partial, one-sided and superficial treatment of the myriad of diseases afflicting mankind. The history here unfolded is due to extensive examination of the sources in the light of new insights regarding Hahnemann’s medical system, Heilkunst, based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker. The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002). The latter is available as an on-line book (completely searchable and cross-linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined. The reader also is referred to the public material available on the Internet through the website, www.heilkunst.com.
The more general misunderstandings of Hahnemann’s teachings have been systematically set out by t... more The more general misunderstandings of Hahnemann’s teachings have been systematically set out by the authors in The Dynamic Legacy: from Homeopathy to Heilkunst. This work seeks to deal in more detail with one particular aspect, namely the “psora theory” and its implications for medical treatment within the context of Dr. Hahnemann’s complete medical system, Heilkunst.
The purpose of this book is to provide the first systematic analysis of Hahnemann’s occasional wr... more The purpose of this book is to provide the first systematic analysis of Hahnemann’s occasional writings leading up to the first edition of the Organon der Heilkunst (as set out in the book, The Lesser Writings). A proper knowledge and appreciation of these writings is necessary to a genuine practitioner of the remedial art, as Hahnemann would say (Heilkünstler). The analysis was undertaken in the light of new insights based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker. The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined. The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
Truth and Science (Wahrheit und Wissenschaft) is his published (1892) doctoral dissertation. It c... more Truth and Science (Wahrheit und Wissenschaft) is his published (1892) doctoral dissertation. It constitutes an epistemological foundation for his life's work and is effectively the key to understanding his more detailed work published only a year later, Philosophy of Freedom (Die Philosophie der Freiheit). Steiner considered Philosophy of Freedom to be the most important of his writings, saying once that in case of a fire, it is the one book to be saved. However, in my estimation, Truth and Science is as, and maybe even more important. In any case, Philosophy of Freedom is not fully understandable without a clear understanding of Truth and Science.
Pan-American Copyright Conventions. No part of this book may be used or reproduced in any manner ... more Pan-American Copyright Conventions. No part of this book may be used or reproduced in any manner whatsoever without written permission from the Publisher, except in the case of brief quotations embodied in articles, reviews and academic papers. ISBN 0-9685166-5-3
his ground-breaking discovery regarding the nemesis of medicine – chronic disease – he hardly exp... more his ground-breaking discovery regarding the nemesis of medicine – chronic disease – he hardly expected that discovery, or himself for that matter, to be received warmly or openly, much less to be truly understood, even by his followers. Many physicians of his time in Germany, and increasingly elsewhere, had adopted the application of the ancient law of similars based on his system of provings and the dynamized and potentized dose he had pioneered. Yet he knew that what he had discovered and was now revealing to his followers demanded a comprehension that would stretch the limits of even those who had accepted what he had already presented to the world, what he called “general homeopathy.” But in communicating to the world this great discovery, I am sorry that I must doubt whether my contemporaries will realize the consistency of these teachings of mine, and will imitate them carefully and gain thereby the infinite benefits for suffering humanity which must inevitably spring from a f...
... She had been treated classically with no results. Determined to have a Silica constitutiona... more ... She had been treated classically with no results. Determined to have a Silica constitutionaltypology. Remedies 1: ... References. 1 Verspoor R, Decker S. The Dynamic Legacy: fromHomeopathy to Heilkunst. Available free on-line at www.homeopathiceducation.com. ...
... She had been treated classically with no results. Determined to have a Silica constitutiona... more ... She had been treated classically with no results. Determined to have a Silica constitutionaltypology. Remedies 1: ... References. 1 Verspoor R, Decker S. The Dynamic Legacy: fromHomeopathy to Heilkunst. Available free on-line at www.homeopathiceducation.com. ...
Christoph Hufeland, one of the most prominent and celebrated physicians of the late 1700s and ear... more Christoph Hufeland, one of the most prominent and celebrated physicians of the late 1700s and early 1800s in Germany and the Western medical world, even to this day, is presented as having been critical of the vitalist stream of medicine at the time, in particular of the period of controversy over the so-called Brunonian system, based intially on the work of the Scottish physician, John Brown. Hufeland has become a symbol of medical orthodoxy. The various honors bestowed upon him then and since, as well as his continued positive references in medical history, attest to that perception. And yet, a closer examination of what he himself called his ‘medical credo’ and “the key and commentary to my other works,” as it organizes the principles underlying them into a system, is quite revealing. Contrary to what is generally held, Hufeland was a proponent of the stream in German medicine and physiology concerning the workings of a vital activity and energy system, termed Lebenskraft, and in particular the generative side of that life force, called by Blumenbach, Bildungstrieb. He was also cognizant of the scientific works of one of his patients, Wolfgang von Goethe, which also formed a major part of this dynamic stream in German scientific thought and medicine. A closer look at Hufeland’s 1800 masterpiece reveals a dedicated scientist, setting out the foundation for a truly rational system of medicine and understanding of physiology based on laws of vital nature that stand above, yet incorporate and integrate those related to inert nature, insofar as they operate within the living organism and bio-economy.
Steiner’s books and lectures are replete with polarities, yet the two-fold polarity as the primor... more Steiner’s books and lectures are replete with polarities, yet the two-fold polarity as the primordial and foundational nature has been hidden to a large degree behind the better known three-fold and four-fold nature of the human being. Steiner speaks about the dual nature of man repeatedly through the years in terms of the two-fold/three-fold dynamic: upper nerve-sense and nether limbic mediated by the upper calculable and nether incalculable rhythms via the heart-lung circulatory and the spleen-metabolic systems. Out of this emerges a six-fold, with an upper (central) and nether (autonomic) nervous system; an upper calculable and nether incalculable rhythmic system; and an upper volitional and nether conational system. In 1923 Steiner extended the two-fold into the four-fold, giving us now an eight-fold: upper and nether I-organisation, astral, etheric and physical body. When properly grasped, Steiner’s lectures related to the primal two-fold nature of man leads to a deeper understanding of life and human (exoteric and esoteric) physiology and psychology.
On 11 February 1923, towards the end of his life on earth for this incarnation, Rudolf Steiner ga... more On 11 February 1923, towards the end of his life on earth for this incarnation, Rudolf Steiner gave a lecture about a twofold nature of our being often referred to as the lecture on 'the little boxes'. Steiner stated that there was an 'invisible man' alongside a visible being. This lecture is little understood and has profound implications for Steiner's epistemology as set out in Truth and Science several decades earlier.
This paper was stimulated by reading 'What is Cure?' by Tracy D. Kolenchuk. This is a surprisingl... more This paper was stimulated by reading 'What is Cure?' by Tracy D. Kolenchuk. This is a surprisingly simple question that seems to have no rational answer. despite the almost six years of research by that author, as he concludes that there is "no scientific nor medical definition of cure in any current theory or practice of medicine." Mr. Kolenchuk undertook his lengthy search for an answer to the question, What is cure?, because he was working on a project to set healthcare on a rational basis. This is an issue that is also one I have been working on for years. What follows is my answer to the lack of a rational healthcare system, and the answer to the most important questions it needs to answer: What is Life? What is Health? What is Not Health? What is Cure?
The purpose of this book is to re-examine basic concepts in the conventional homeopathic medical ... more The purpose of this book is to re-examine basic concepts in the conventional homeopathic medical field necessary to a genuine practitioner of the remedial art, as Hahnemann would say (Heilkünstler), in the light of new insights based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker. The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined. The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
The purpose of this book is to present the first complete history (based on all known documents) ... more The purpose of this book is to present the first complete history (based on all known documents) of a pivotal event in homeopathic history involving the use of dual remedies. As Santayana stated, those who do not remember their history are condemned to repeat it. Historical knowledge, what the Greeks called historia, is fundamental to becoming a genuine practitioner of the remedial art, a Heilkünstler, as Hahnemann termed it. Conventional homeopathy, by ignoring, denying or suppressing the facts of the dual remedy affair, condemns itself to a partial, one-sided and superficial treatment of the myriad of diseases afflicting mankind. The history here unfolded is due to extensive examination of the sources in the light of new insights regarding Hahnemann’s medical system, Heilkunst, based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker. The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002). The latter is available as an on-line book (completely searchable and cross-linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined. The reader also is referred to the public material available on the Internet through the website, www.heilkunst.com.
The more general misunderstandings of Hahnemann’s teachings have been systematically set out by t... more The more general misunderstandings of Hahnemann’s teachings have been systematically set out by the authors in The Dynamic Legacy: from Homeopathy to Heilkunst. This work seeks to deal in more detail with one particular aspect, namely the “psora theory” and its implications for medical treatment within the context of Dr. Hahnemann’s complete medical system, Heilkunst.
The purpose of this book is to provide the first systematic analysis of Hahnemann’s occasional wr... more The purpose of this book is to provide the first systematic analysis of Hahnemann’s occasional writings leading up to the first edition of the Organon der Heilkunst (as set out in the book, The Lesser Writings). A proper knowledge and appreciation of these writings is necessary to a genuine practitioner of the remedial art, as Hahnemann would say (Heilkünstler). The analysis was undertaken in the light of new insights based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker. The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined. The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
Truth and Science (Wahrheit und Wissenschaft) is his published (1892) doctoral dissertation. It c... more Truth and Science (Wahrheit und Wissenschaft) is his published (1892) doctoral dissertation. It constitutes an epistemological foundation for his life's work and is effectively the key to understanding his more detailed work published only a year later, Philosophy of Freedom (Die Philosophie der Freiheit). Steiner considered Philosophy of Freedom to be the most important of his writings, saying once that in case of a fire, it is the one book to be saved. However, in my estimation, Truth and Science is as, and maybe even more important. In any case, Philosophy of Freedom is not fully understandable without a clear understanding of Truth and Science.
Pan-American Copyright Conventions. No part of this book may be used or reproduced in any manner ... more Pan-American Copyright Conventions. No part of this book may be used or reproduced in any manner whatsoever without written permission from the Publisher, except in the case of brief quotations embodied in articles, reviews and academic papers. ISBN 0-9685166-5-3
his ground-breaking discovery regarding the nemesis of medicine – chronic disease – he hardly exp... more his ground-breaking discovery regarding the nemesis of medicine – chronic disease – he hardly expected that discovery, or himself for that matter, to be received warmly or openly, much less to be truly understood, even by his followers. Many physicians of his time in Germany, and increasingly elsewhere, had adopted the application of the ancient law of similars based on his system of provings and the dynamized and potentized dose he had pioneered. Yet he knew that what he had discovered and was now revealing to his followers demanded a comprehension that would stretch the limits of even those who had accepted what he had already presented to the world, what he called “general homeopathy.” But in communicating to the world this great discovery, I am sorry that I must doubt whether my contemporaries will realize the consistency of these teachings of mine, and will imitate them carefully and gain thereby the infinite benefits for suffering humanity which must inevitably spring from a f...
... She had been treated classically with no results. Determined to have a Silica constitutiona... more ... She had been treated classically with no results. Determined to have a Silica constitutionaltypology. Remedies 1: ... References. 1 Verspoor R, Decker S. The Dynamic Legacy: fromHomeopathy to Heilkunst. Available free on-line at www.homeopathiceducation.com. ...
... She had been treated classically with no results. Determined to have a Silica constitutiona... more ... She had been treated classically with no results. Determined to have a Silica constitutionaltypology. Remedies 1: ... References. 1 Verspoor R, Decker S. The Dynamic Legacy: fromHomeopathy to Heilkunst. Available free on-line at www.homeopathiceducation.com. ...
Christoph Hufeland, one of the most prominent and celebrated physicians of the late 1700s and ear... more Christoph Hufeland, one of the most prominent and celebrated physicians of the late 1700s and early 1800s in Germany and the Western medical world, even to this day, is presented as having been critical of the vitalist stream of medicine at the time, in particular of the period of controversy over the so-called Brunonian system, based intially on the work of the Scottish physician, John Brown. Hufeland has become a symbol of medical orthodoxy. The various honors bestowed upon him then and since, as well as his continued positive references in medical history, attest to that perception. And yet, a closer examination of what he himself called his ‘medical credo’ and “the key and commentary to my other works,” as it organizes the principles underlying them into a system, is quite revealing. Contrary to what is generally held, Hufeland was a proponent of the stream in German medicine and physiology concerning the workings of a vital activity and energy system, termed Lebenskraft, and in particular the generative side of that life force, called by Blumenbach, Bildungstrieb. He was also cognizant of the scientific works of one of his patients, Wolfgang von Goethe, which also formed a major part of this dynamic stream in German scientific thought and medicine. A closer look at Hufeland’s 1800 masterpiece reveals a dedicated scientist, setting out the foundation for a truly rational system of medicine and understanding of physiology based on laws of vital nature that stand above, yet incorporate and integrate those related to inert nature, insofar as they operate within the living organism and bio-economy.
Steiner’s books and lectures are replete with polarities, yet the two-fold polarity as the primor... more Steiner’s books and lectures are replete with polarities, yet the two-fold polarity as the primordial and foundational nature has been hidden to a large degree behind the better known three-fold and four-fold nature of the human being. Steiner speaks about the dual nature of man repeatedly through the years in terms of the two-fold/three-fold dynamic: upper nerve-sense and nether limbic mediated by the upper calculable and nether incalculable rhythms via the heart-lung circulatory and the spleen-metabolic systems. Out of this emerges a six-fold, with an upper (central) and nether (autonomic) nervous system; an upper calculable and nether incalculable rhythmic system; and an upper volitional and nether conational system. In 1923 Steiner extended the two-fold into the four-fold, giving us now an eight-fold: upper and nether I-organisation, astral, etheric and physical body. When properly grasped, Steiner’s lectures related to the primal two-fold nature of man leads to a deeper understanding of life and human (exoteric and esoteric) physiology and psychology.
On 11 February 1923, towards the end of his life on earth for this incarnation, Rudolf Steiner ga... more On 11 February 1923, towards the end of his life on earth for this incarnation, Rudolf Steiner gave a lecture about a twofold nature of our being often referred to as the lecture on 'the little boxes'. Steiner stated that there was an 'invisible man' alongside a visible being. This lecture is little understood and has profound implications for Steiner's epistemology as set out in Truth and Science several decades earlier.
This paper was stimulated by reading 'What is Cure?' by Tracy D. Kolenchuk. This is a surprisingl... more This paper was stimulated by reading 'What is Cure?' by Tracy D. Kolenchuk. This is a surprisingly simple question that seems to have no rational answer. despite the almost six years of research by that author, as he concludes that there is "no scientific nor medical definition of cure in any current theory or practice of medicine." Mr. Kolenchuk undertook his lengthy search for an answer to the question, What is cure?, because he was working on a project to set healthcare on a rational basis. This is an issue that is also one I have been working on for years. What follows is my answer to the lack of a rational healthcare system, and the answer to the most important questions it needs to answer: What is Life? What is Health? What is Not Health? What is Cure?
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Books by Rudi Verspoor
The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined.
The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
Conventional homeopathy, by ignoring, denying or suppressing the facts of the dual remedy affair, condemns itself to a partial, one-sided and superficial treatment of the myriad of diseases afflicting mankind. The history here unfolded is due to extensive examination of the sources in the light of new insights regarding Hahnemann’s medical system, Heilkunst, based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker.
The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002). The latter is available as an on-line book (completely searchable and cross-linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined.
The reader also is referred to the public material available on the Internet through the website, www.heilkunst.com.
The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined.
The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
Papers by Rudi Verspoor
Book Reviews by Rudi Verspoor
And yet, a closer examination of what he himself called his ‘medical credo’ and “the key and commentary to my other works,” as it organizes the principles underlying them into a system, is quite revealing. Contrary to what is generally held, Hufeland was a proponent of the stream in German medicine and physiology concerning the workings of a vital activity and energy system, termed Lebenskraft, and in particular the generative side of that life force, called by Blumenbach, Bildungstrieb. He was also cognizant of the scientific works of one of his patients, Wolfgang von Goethe, which also formed a major part of this dynamic stream in German scientific thought and medicine. A closer look at Hufeland’s 1800 masterpiece reveals a dedicated scientist, setting out the foundation for a truly rational system of medicine and understanding of physiology based on laws of vital nature that stand above, yet incorporate and integrate those related to inert nature, insofar as they operate within the living organism and bio-economy.
Drafts by Rudi Verspoor
Out of this emerges a six-fold, with an upper (central) and nether (autonomic) nervous system; an upper calculable and nether incalculable rhythmic system; and an upper volitional and nether conational system.
In 1923 Steiner extended the two-fold into the four-fold, giving us now an eight-fold: upper and nether I-organisation, astral, etheric and physical body.
When properly grasped, Steiner’s lectures related to the primal two-fold nature of man leads to a deeper understanding of life and human (exoteric and esoteric) physiology and psychology.
The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined.
The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
Conventional homeopathy, by ignoring, denying or suppressing the facts of the dual remedy affair, condemns itself to a partial, one-sided and superficial treatment of the myriad of diseases afflicting mankind. The history here unfolded is due to extensive examination of the sources in the light of new insights regarding Hahnemann’s medical system, Heilkunst, based on a new inter-linear translation of the extended Organon (that is, including its full references) by Steven Decker.
The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002). The latter is available as an on-line book (completely searchable and cross-linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined.
The reader also is referred to the public material available on the Internet through the website, www.heilkunst.com.
The complete results of the extensive collaboration of the authors regarding Hahnemann’s writings have been published in Homeopathy Re-examined (2001) and its successor, The Dynamic Legacy: from Homeopathy to Heilkunst (2002), available as an on-line book (completely searchable and cross- linked) from the publisher. The reader is encouraged to read this last work for the more extensive context and understanding of Hahnemann’s complete medical system, Heilkunst. As research proceeds, this work is continually being expanded and refined.
The reader is also referred to the public material available on the Internet through the website, www.heilkunst.com.
And yet, a closer examination of what he himself called his ‘medical credo’ and “the key and commentary to my other works,” as it organizes the principles underlying them into a system, is quite revealing. Contrary to what is generally held, Hufeland was a proponent of the stream in German medicine and physiology concerning the workings of a vital activity and energy system, termed Lebenskraft, and in particular the generative side of that life force, called by Blumenbach, Bildungstrieb. He was also cognizant of the scientific works of one of his patients, Wolfgang von Goethe, which also formed a major part of this dynamic stream in German scientific thought and medicine. A closer look at Hufeland’s 1800 masterpiece reveals a dedicated scientist, setting out the foundation for a truly rational system of medicine and understanding of physiology based on laws of vital nature that stand above, yet incorporate and integrate those related to inert nature, insofar as they operate within the living organism and bio-economy.
Out of this emerges a six-fold, with an upper (central) and nether (autonomic) nervous system; an upper calculable and nether incalculable rhythmic system; and an upper volitional and nether conational system.
In 1923 Steiner extended the two-fold into the four-fold, giving us now an eight-fold: upper and nether I-organisation, astral, etheric and physical body.
When properly grasped, Steiner’s lectures related to the primal two-fold nature of man leads to a deeper understanding of life and human (exoteric and esoteric) physiology and psychology.