Knowing Yourself: The True in the False (1996)
“Ardent desire for knowledge, in fact, is the one motive attracting and supporting investigators in their efforts; and just this knowledge, really grasped and yet always flying before them, becomes at once their sole torment and their sole happiness…. A man of science rises ever, in seeking truth; and if he never finds it in its wholeness, he discovers nevertheless very significant fragments; and these fragments of universal truth are precisely what constitutes science.”
Introduction à l'Étude de la Médecine Expérimentale (1865)
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Claude Bernard 21
French physiologist 1813–1878Related quotes

"The Student Life" in The Medical News (30 September 1905).

Source: Vehicles: Experiments in Synthetic Psychology (1984), p. 1

On Leonid Brezhnev, as quoted in "Period of Stability" by Tatyana Shvetsova in Voice of Russia (20 July 2006) http://english.ruvr.ru/2006/07/20/103143.html.

But philosophy has always been, and will always be, a fight with and a conquest of self-evident truths; philosophy is not looking for any "natural necessity", it sees in naturalness and in necessity alike an evil magic, which, if one cannot quite shake it off (for in this no mortal has ever yet succeeded), yet one must at least call by its right name; and even this is an important step! p. 342
Source: In Job's Balances: on the sources of the eternal truths, Words That Are Swallowed Up - Plotinus's Ecstasies

Source: 1960s, Strength to Love (1963), Ch. 1 : A tough mind and a tender heart
Context: Softmindedness often invades religion. … Softminded persons have revised the Beautitudes to read "Blessed are the pure in ignorance: for they shall see God." This has led to a widespread belief that there is a conflict between science and religion. But this is not true. There may be a conflict between softminded religionists and toughminded scientists, but not between science and religion. … Science investigates; religion interprets. Science gives man knowledge which is power; religion gives man wisdom which is control. Science deals mainly with facts; religion deals mainly with values. The two are not rivals. They are complementary.

Great Books: The Foundation of a Liberal Education (1954)