Short Quotes - Author Claude Bernard Showing 1 - 13 of 13 Add Quote Man can learn nothing except by going from the known to the unknown. Claude Bernard Man Upvote0 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 Idea Upvote0 It is what we know already that often prevents us from learning. Claude Bernard Learning Upvote0 Experimentation is an active science. Claude Bernard Science Upvote0 The experimenter who does not know what he is looking for will not understand what he finds. Claude Bernard Will Upvote0 Art is I; science is we. Claude Bernard Art Upvote0 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 Science Upvote0 The investigator should have a robust faith - and yet not believe. Claude Bernard Faith Upvote0 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 Imagination Upvote0 Science does not permit exceptions. Claude Bernard Science Upvote0 Observation is a passive science, experimentation an active science. Claude Bernard Science Upvote0 Mediocre men often have the most acquired knowledge. Claude Bernard Men Upvote0 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 Worth Upvote0