94 Quotes by Claude Bernard

The terrain is everything; the germ is nothing,

The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.

Art is 'I'; science is 'we'.

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

Men who believe too firmly in their theories, do not believe enough in the theories of others. So ... these despisers of their fellows ... make experiments only to destroy a theory, instead of to seek the truth.

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

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

Men who have excessive faith in their theories or ideas are not only ill prepared for making discoveries; they also make very poor observations. Of necessity, they observe with a preconceived idea, and when they devise an experiment, they can see, in its results,only a confirmation of their theory. In this way they distort observation and often neglect very important facts because they do not further their aim.

Tout est poison, rien n’est poison, tout est une question de dose. Everything is poisonous, nothing is poisonous, it is all a matter of dose.