John Eccles Quotes

Powerful John Eccles for Daily Growth

About John Eccles

John Eccles (1903-1997), an Australian neurophysiologist and philosopher of science, was a preeminent figure in the field of brain research. Born on July 29, 1903, in Melbourne, Australia, Eccles displayed prodigious intellectual ability from a young age. He studied at the University of Melbourne before moving to the United Kingdom to continue his studies at Cambridge and Oxford Universities. Eccles' career was marked by groundbreaking discoveries in neurophysiology. In 1950, he and his collaborator Andrew Huxley discovered the ionic basis for the electrical activity of nerve cells, which earned them the Nobel Prize in Physiology or Medicine in 1963. This work laid the foundation for our understanding of how electric signals are conducted along neurons. Throughout his career, Eccles was influenced by the philosophical ideas of Pierre Duhem and Wilhelm Wundt, which led him to explore the relationship between neurophysiology and consciousness. He proposed the theory of 'Quantum Theory of the Brain,' suggesting that brain functions could be described using quantum mechanics principles. In 1970, Eccles published 'The Human Brain and Its Hallucinations,' where he explored the nature of conscious experience and its relationship to the physical brain. This book remains a significant contribution to the philosophy of mind. Eccles was knighted in 1965 for his services to science. He continued to work and publish until his death on February 2, 1997. His life and work have left an indelible mark on neuroscience and the philosophy of mind, inspiring generations of scientists and philosophers.

Interpretations of Popular Quotes

"The brain is a machine made out of meat."

This quote by John Eccles, an Australian neurophysiologist who shared the Nobel Prize in Physiology or Medicine in 1963, emphasizes the paradoxical nature of consciousness and the mind. He's suggesting that our brains, complex biological entities as they are, can be reduced to a machine, a mechanical system, due to their intricate network of neurons and synapses. However, what sets us apart from machines is our capacity for thought, emotions, and consciousness - aspects that cannot be fully explained by the physical structure of the brain alone. In essence, Eccles is highlighting the struggle between the scientific view of the brain as a machine and its role in creating the intangible realm of human consciousness.


"Mind is an aspect of matter and it evolved from mindless matter."

This quote by John Eccles suggests that consciousness, or "mind," is a natural product of physical matter, meaning it has emerged from non-conscious matter through the process of evolution. In simpler terms, Eccles believes that our thoughts, feelings, and intellect are not distinct from the material universe but rather an advanced, evolved form of it. This perspective emphasizes the unity between mind and matter, suggesting that our consciousness is a high-level expression of physical processes in the brain.


"Consciousness arises from the organized activity of nerve cells in the brain."

This quote by John Eccles suggests that consciousness, the subjective awareness or experience of an individual, is a result of the complex and organized activity of neurons (nerve cells) within the brain. Essentially, it implies that our thoughts, feelings, perceptions, and memories are emergent properties from the intricate interactions among these neural networks.


"The brain is not simply a recording instrument for reactions, but a creative instrument for action."

This quote by John Eccles suggests that the brain does more than just passively record information and react to it; instead, it is an active, creative entity that drives actions. In essence, Eccles posits that human behavior isn't solely determined by the environment or past experiences but also shaped by the brain's ability to think, reason, and create new ideas. This perspective highlights the importance of individual agency in shaping our own lives and experiences.


"Physics cannot directly tell us anything about consciousness because it deals with the physical world of objective space and time, and consciousness belongs to the subjective realm of inner experience."

This quote by John Eccles emphasizes the fundamental difference between physics, which describes the external, physical world (objective space and time), and our subjective consciousness, our inner thoughts, feelings, and experiences (the realm of subjectivity). Physics, being a science that deals with observable and measurable phenomena, cannot directly address or explain the nature of consciousness because it is beyond its scope and not amenable to objective, empirical investigation. In other words, while physics can help us understand how the brain functions and what it's made of, it doesn't give insights into the experiential aspect of our mental life - that's a different realm requiring different methods and perspectives for exploration.


The body and dendrites of a nerve cell are specialized for the reception and integration of information which is conveyed as impulses that are fired from other nerve cells along their axons.

- John Eccles

Fired, Specialized, Which, Conveyed

Changes in relative ionic concentration across the postsynaptic membrane are readily effected by altering the ionic composition of the external medium.

- John Eccles

Changes, Readily, Altering

I came to realise that Darwinian evolution had no explanation of me as an experiencing self.

- John Eccles

Experiencing, Realise, Came, Darwinian

To the extent that we have a better understanding of the brain, we will have a richer appreciation of ourselves, of our fellow men and of society and, in fact, of the whole world and its problems.

- John Eccles

Fact, Will, Extent, Richer

I, at the age of 17 or 18 as a medical student, suddenly came up against a problem: 'What am I? What is the meaning of my existence as I experience it?'

- John Eccles

Medical, Student, Against, Meaning Of

England was a delightful and stimulating place for a young academic, although by present standards, the laboratory facilities were primitive. There were almost no research grants and no secretarial assistance, even for Sherrington.

- John Eccles

England, Primitive, Grants, Facilities

I am passionately devoted to the study of life, and particularly to the higher forms of life.

- John Eccles

Study, Devoted, Particularly, Forms

A board constituted as the board of Sydney Hospital is constituted is not a suitable body to have control of an institute of medical research.

- John Eccles

Medical, Sydney, Suitable, Institute

We and our fellow men of all countries must realize that we share this wonderful, beautiful, salubrious earth as brothers and that there never will be anywhere else to go.

- John Eccles

Will, Go, Brothers, Realize

To the brains of our predecessors we owe all of our inheritance of civilization and culture.

- John Eccles

Brains, Predecessors, Owe

Many people, including myself, had our scientific lives changed by the inspiring new vision of science that Popper gave us.

- John Eccles

New, Including, Lives, Inspiring

Brain research is the ultimate problem confronting man.

- John Eccles

Man, Problem, Ultimate, Confronting

I decided, as a medical student, to devote myself to a study of the brain.

- John Eccles

Medical, Study, Decided, Devote

The origin of each of us stems from codes of genetic inheritance.

- John Eccles

Genetic, Stems, Codes, Inheritance

How we come to be, and how we are what we are, is beyond any understanding. I have been obsessed by this, trying to understand the very nature of my existence.

- John Eccles

Nature, Been, Very, Obsessed

I can explain my body and my brain, but there's something more. I can't explain my own existence - what makes me a unique human being.

- John Eccles

Human Being, My Own, Explain, Existence

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