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We must alter theory to adapt it to nature, but not nature to adapt it to theory.‎

Claude Bernard

When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is supported by great names and generally accepted.
CLAUDE BERNARD

Abandonment Acceptance Believe Conflict Fact Intuition Support Theory
The better educated we are and the more acquired information we have, the better prepared shall we find our minds for making great and fruitful discoveries.
CLAUDE BERNARD

Better Discover Education Information Mindset
The goal of scientific physicians in their own science … is to reduce the indeterminate. Statistics therefore apply only to cases in which the cause of the facts observed is still indeterminate.
CLAUDE BERNARD

Determination Fact Goal Reason Reduce Science
With the aid of these active experimental sciences man becomes an inventor of phenomena, a real foreman of creation; and under this head we cannot set limits to the power that he may gain over nature through future progress of the experimental sciences.
CLAUDE BERNARD

Active Creation Experiment Head Limitation Nature Progress Science
Science does not permit exceptions.
CLAUDE BERNARD

Exception One Liner Science
Man can learn nothing unless he proceeds from the known to the unknown.
CLAUDE BERNARD

Learning Man Unknown
We must keep our freedom of mind, and must believe that in nature what is absurd, according to our theories, is not always impossible.
CLAUDE BERNARD

Absurd Believe Freedom Impossible Mindset Nature
First causes are outside the realm of science.
CLAUDE BERNARD

Reason Science
We must alter theory to adapt it to nature, but not nature to adapt it to theory.‎
CLAUDE BERNARD

Adapt Nature Theory
Experiment is fundamentally only induced observation.
CLAUDE BERNARD

Experiment Fundamental Observation
Everything is poisonous, nothing is poisonous, it is all a matter of dose.
CLAUDE BERNARD

Amount Poison Portion
We must remain, in a word, in an intellectual disposition which seems paradoxical, but which, in my opinion, represents the true mind of the investigator. We must have a robust faith and yet not believe.
CLAUDE BERNARD

Believe Faith Intellectual Opinion Word
True science teaches us to doubt and, in ignorance, to refrain.
CLAUDE BERNARD

Doubt Ignorance Science Teaching True
We achieve more than we know. We know more than we understand. We understand more than we can explain.
CLAUDE BERNARD

Achievement Explanation Team Work Understand
Feeling alone guides the mind.
CLAUDE BERNARD

Alone Feeling Guide Mindset
A contemporary poet has characterized this sense of the personality of art and of the impersonality of science in these words,-‘Art is myself; science is ourselves. ‘
CLAUDE BERNARD

Art Character Ourselves Personality Poet Science

We must alter theory to adapt it to nature, but not nature to adapt it to theory.‎

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We must alter theory to adapt it to nature, but not nature to adapt it to theory.‎

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