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The joy of discovery is certainly the liveliest that the mind of man can ever feel.

Claude Bernard

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 mental never influences the physical. It is always the physical that modifies the mental, and when we think that the mind is diseased, it is always an illusion.
CLAUDE BERNARD

Illusion Influence Mental Mindset Thinking
A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes.
CLAUDE BERNARD

Attachment Evidence Fact Ideas Value
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
But while I accept specialization in the practice, I reject it utterly in the theory of science.
CLAUDE BERNARD

Acceptance Myself Practice Science Theory
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
True science teaches us to doubt and, in ignorance, to refrain.
CLAUDE BERNARD

Doubt Ignorance Science Teaching True
Feeling alone guides the mind.
CLAUDE BERNARD

Alone Feeling Guide Mindset
If I had to define life in a single phrase, I should clearly express my thought of throwing into relief one characteristic which, in my opinion, sharply differentiates biological science. I should say: life is creation.
CLAUDE BERNARD

Character Clear Creation Expression Life Science
Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we change a blunt lancet that we have used long enough.
CLAUDE BERNARD

Break Change Enough Ideas Instrument Intellectual Purpose
The science of life is a superb and dazzlingly lighted hall which may be reached only by passing through a long and ghastly kitchen.
CLAUDE BERNARD

Kitchen Life Light Reach Science
A great discovery is a fact whose appearance in science gives rise to shining ideas, whose light dispels many obscurities and shows us new paths.
CLAUDE BERNARD

Appearance Discovery Greatness Light Path Rise Shift
Science does not permit exceptions.
CLAUDE BERNARD

Exception One Liner Science
The fact that knowledge endlessly recedes as the investigator is about to grasp it is what constitutes at the same time his torment and happiness.
CLAUDE BERNARD

Constitute End Fact Happiness Hard Time Knowledge
Now, a living organism is nothing but a wonderful machine endowed with the most marvellous properties and set going by means of the most complex and delicate mechanism.
CLAUDE BERNARD

Delicate Live Mechanism Organism Property Wonderful
Theories are like a stairway; by climbing, science widens its horizon more and more, because theories embody and necessarily include proportionately more facts as they advance.
CLAUDE BERNARD

Climb Horizon Necessary Proportion Science Theory

The joy of discovery is certainly the liveliest that the mind of man can ever feel.

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The joy of discovery is certainly the liveliest that the mind of man can ever feel.

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