Source: The Next Development in Man (1948), p. 193-194
“The Greek philosophers thought of static forms”
Physics and Philosophy (1958)
Context: The Greek philosophers thought of static forms and found them in the regular solids. Modern science, however, has from its beginning in the sixteenth and seventeenth centuries started from the dynamic problem. The constant element in physics since Newton is not a configuration or a geometrical form, but a dynamic law.<!-- p. 72
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Werner Heisenberg 42
German theoretical physicist 1901–1976Related quotes

A higher charm than modern culture won,
With all the wealth of metaphysic lore,
Gifted to analyze, dissect explore.
Life Without and Life Within (1859), Flaxman
Source: The Next Development in Man (1948), p. 21-22

On Jungian psychology, in Ch. 2 : "The Two Basic Pillars of Human Thinking: "God" and "Ether".
Ether, God and Devil (1949)
The Oxford History of the Classical World (with John Boardman and Oswyn Murray, Oxford: Oxford University Press, 1986) P.5

…sogar daß ihm auch wohl Philosophen, als einer gewissen Veredelung der Menschheit, eine Lobrede halten, uneingedenk des Ausspruchs jenes Griechen: »Der Krieg ist darin schlimm, daß er mehr böse Leute macht, als er deren wegnimmt«.
As quoted in Philosophical Perspectives on Peace: An Anthology of Classical and Modern Sources (1987) by Howard P. Kainz, p. 81
Eternal Peace (1795)
Source: Sailing the Wine-Dark Sea: Why the Greeks Matter (2003), Ch.IV The Politician and the Playwright: How to Rule

“The philosopher forms his principles from an infinity of particular observations.”
Article on Philosophy, Vol. 25, p. 667, as quoted in Main Currents of Western Thought : Readings in Western European Intellectual History from the Middle Ages to the Present (1978) by Franklin Le Van Baumer
Variant translation: Reason is to the philosopher what grace is to the Christian. Grace moves the Christian to act, reason moves the philosopher. Other men walk in darkness; the philosopher, who has the same passions, acts only after reflection; he walks through the night, but it is preceded by a torch. The philosopher forms his principles on an infinity of particular observations. … He does not confuse truth with plausibility; he takes for truth what is true, for forgery what is false, for doubtful what is doubtful, and probable what is probable. … The philosophical spirit is thus a spirit of observation and accuracy.
L'Encyclopédie (1751-1766)
Context: Reason is to the philosopher what grace is to the Christian.
Grace causes the Christian to act, reason the philosopher. Other men are carried away by their passions, their actions not being preceded by reflection: these are the men who walk in darkness. On the other hand, the philosopher, even in his passions, acts only after reflection; he walks in the dark, but by a torch.
The philosopher forms his principles from an infinity of particular observations. Most people adopt principles without thinking of the observations that have produced them, they believe the maxims exist, so to speak, by themselves. But the philosopher takes maxims from their source; he examines their origin; he knows their proper value, and he makes use of them only in so far as they suit him.
Truth is not for the philosopher a mistress who corrupts his imagination and whom he believes to be found everywhere; he contents himself with being able to unravel it where he can perceive it. He does not confound it with probability; he takes for true what is true, for false what is false, for doubtful what is doubtful, and probable what is only probable. He does more, and here you have a great perfection of the philosopher: when he has no reason by which to judge, he knows how to live in suspension of judgment...
The philosophical spirit is, then, a spirit of observation and exactness, which relates everything to true principles...