The ideas of Freud were popularized by people who only imperfectly understood them, who were incapable of the great effort required to grasp them in their relationship to larger truths, and who therefore assigned to them a prominence out of all proportion to their true importance.
There are no whole truths; all truths are half-truths. It is trying to treat them as whole truths that plays the devil.
Life is an offensive, directed against the repetitious mechanism of the Universe.
Religion will not regain its old power until it can face change in the same spirit as does science. Its principles may be eternal, but the expression of those principles requires continual development.
Identification of rhythm as the casual counterpart of life; wherever there is some life, only perceptible to us when the analogies are sufficiently close.
The vitality of thought is in adventure. Ideas won't keep. Something must be done about them. When the idea is new, its custodians have fervor, live for it, and, if need be, die for it.
The rhythm is then the life, in the sense in which it can be said to be included within nature.
The deliberate aim at peace very easily passes into its bastard substitute, anesthesia.
The chief error in philosophy is overstatement.
Scientists animated by the purpose of proving that they are purposeless constitute an interesting subject for study.