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 More Quotes by Claude Bernard More Quotes From Claude Bernard Men who have excessive faith in their theories ... make poor observations, because they choose among the results of their experiments only what suits their object, neglecting whatever is unrelated to it and carefully setting aside everything which might tend toward the idea they wish to combat Claude Bernard men science ideas Progress is achieved by exchanging our theories for new ones which go further than the old, until we find one based on a larger number of facts. ... Theories are only hypotheses, verified by more or less numerous facts. Those verified by the most facts are the best, but even then they are never final, never to be absolutely believed. Claude Bernard progress numbers science We achieve more than we know. We know more than we understand. We understand more than we can explain. Claude Bernard achievement science knowledge The first entirely vital action, so termed because it is not effected outside the influence of life, consists in the creation of the glycogenic material in the living hepatic tissue. The second entirely chemical action, which can be effected outside the influence of life, consists in the transformation of the glycogenic material into sugar by means of a ferment. Claude Bernard tissues sugar mean Experiment is fundamentally only induced observation. Claude Bernard observation experiments science Love is the greatest Joy of Discovery one can feel! Claude Bernard Observation is a passive science, experimentation an active science. Claude Bernard observation passive active science Man can learn nothing except by going from the known to the unknown. Claude Bernard unknown going nothing man