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Man can learn nothing unless he proceeds from the known to the unknown.

Claude Bernard

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
Those who do not know the torment of the unknown cannot have the joy of discovery.
CLAUDE BERNARD

Discover Hard Time Joy Struggle
A man of science rises ever, in seeking truth; and if he never finds it in its wholeness, he discovers nevertheless very significant fragments; and these fragments of universal truth are precisely what constitutes science.
CLAUDE BERNARD

Fragment Man Rise Science Seek Truth
The joy of discovery is certainly the liveliest that the mind of man can ever feel.
CLAUDE BERNARD

Discover Feeling Live Mindset
Everything is poisonous, nothing is poisonous, it is all a matter of dose.
CLAUDE BERNARD

Amount Poison Portion
Science rejects the indeterminate.
CLAUDE BERNARD

Determination Rejection Science
Well-observed facts, though brought to light by passing theories, will never die; they are the material on which alone the house of science will at last be built.
CLAUDE BERNARD

Built Death Fact Material Observation Science
The investigator should have a robust faith – and yet not believe.
CLAUDE BERNARD

Believe Faith Investigate
The minds that rise and become really great are never self-satisfied, but still continue to strive.
CLAUDE BERNARD

Greatness Mindset Rise Satisfaction Strive
The stability of the internal medium is a primary condition for the freedom and independence of certain living bodies in relation to the environment surrounding them.
CLAUDE BERNARD

Body Environment Freedom Independence Live Medium Stability
The eloquence of a scientist is clarity; scientific truth is always more luminous when its beauty is unadorned than when it is tricked out in the embellishments with which our imagination would seek to clothe it.
CLAUDE BERNARD

Beautiful Imagination Ourselves Science Truth
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
In teaching man, experimental science results in lessening his pride more and more by proving to him every day that primary causes, like the objective reality of things, will be hidden from him forever and that he can only know relations.
CLAUDE BERNARD

Experiment Forever Man Reality Relation Science Teaching
Science admits no exceptions; otherwise there would be no determinism in science, or rather, there would be no science.
CLAUDE BERNARD

Admit Determination Exception Science
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
The true worth of an experimenter consists in his pursuing not only what he seeks in his experiment, but also what he did not seek.
CLAUDE BERNARD

Experiment Himself Seek True Worth

Man can learn nothing unless he proceeds from the known to the unknown.

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Man can learn nothing unless he proceeds from the known to the unknown.

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