The experimenter who does not know what he is looking for will not understand what he finds.
CLAUDE BERNARDMediocre men often have the most acquired knowledge. It is in the darker. It is in the darker regions of science that great men are recognized; they are marked by ideas which light up phenomena hitherto obscure and carry science forward.
More Claude Bernard Quotes
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Put off your imagination, as you put off your overcoat, when you enter the laboratory. Put it on again, as you put on your overcoat, when you leave.
CLAUDE BERNARD -
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 -
We must alter theory to adapt it to nature, but not nature to adapt it to theory.
CLAUDE BERNARD -
Science rejects the indeterminate.
CLAUDE BERNARD -
But while I accept specialization in the practice, I reject it utterly in the theory of science.
CLAUDE BERNARD -
The great experimental principle, then, is doubt, that philosophic doubt which leaves to the mind its freedom and initiative, and from which the virtues most valuable to investigators in physiology and medicine are derived.
CLAUDE BERNARD -
Everything is poisonous, nothing is poisonous, it is all a matter of dose.
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 -
Those who do not know the torment of the unknown cannot have the joy of discovery.
CLAUDE BERNARD -
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 -
Feeling alone guides the mind.
CLAUDE BERNARD -
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 -
Man can learn nothing unless he proceeds from the known to the unknown.
CLAUDE BERNARD -
Science increases our power in proportion as it lowers our pride.
CLAUDE BERNARD -
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






