French - Scientist | July 12, 1813 - February 10, 1878
Observation is a passive science, experimentation an active science.
Claude Bernard
ScienceObservationActivePassive
It is what we know already that often prevents us from learning.
LearningKnowUsOftenPrevents
Man can learn nothing except by going from the known to the unknown.
ManLearnUnknownNothingGoing
The experimenter who does not know what he is looking for will not understand what he finds.
LookingKnowUnderstandWillWhoHe
Mediocre men often have the most acquired knowledge.
KnowledgeMenMostMediocreOften
Art is I; science is we.
ScienceArt
The investigator should have a robust faith - and yet not believe.
FaithBelieveShouldInvestigator
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.
WorthTrueExperimentSeekOnlyHe
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.
ScienceDayManPrideRealityKnow
Experimentation is an active science.
ScienceActiveExperimentation
A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes.
NothingProofOnlyIdeaValuable
Science does not permit exceptions.
ScienceExceptionsPermitDoes
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