People make the mistake of talking about 'natural laws.' There are no natural laws. There are only temporary habits of nature.
In all education the main cause of failure is staleness.
Not a sentence or a word is independent of the circumstances under which it is uttered.
The defense of morals is the battle-cry which best rallies stupidity against change.
In formal logic, a contradiction is the signal of defeat, but in the evolution of real knowledge it marks the first step in progress toward a victory.
The 'silly question' is the first intimation of some totally novel development.
I am also greatly indebted to Bergson, William James, and John Dewey. One of my preoccupations has been to rescue their type of thought from the charge of anti-intellectualism, which rightly or wrongly has been associated with it.
All practical teachers know that education is a patient process of mastery of details, minute by minute, hour by hour, day by day.
Philosophy asks the simple question: What is it all about?
In a living civilization there is always an element of unrest, for sensitiveness to ideas means curiosity, adventure, change. Civilized order survives on its merits and is transformed by its power of recognizing its imperfections.
Ninety percent of our lives is governed by emotion.
The foundations of the world are to be found, not in the cognitive experience of conscious thought, but in the aesthetic experience of everyday life.
The deepest definition of youth is life as yet untouched by tragedy.
Everyone is a philosopher. Not everyone is good at it.
There are no whole truths: All truths are half-truths.
An unflinching determination to take the whole evidence into account is the only method of preservation against the fluctuating extremes of fashionable opinion.
It is impossible not to feel stirred at the thought of the emotions of man at certain historic moments of adventure and discovery - Columbus when he first saw the Western shore, Pizarro when he stared at the Pacific Ocean, Franklin when the electric spark came from the string of his kite, Galileo when he first turned his telescope to the heavens. Such moments are also granted to students in the abstract regions of thought, and high among them must be placed the morning when Descartes lay in bed and invented the method of co-ordinate geometry.
In a certain sense, everything is everywhere at all times. For every location involves an aspect of itself in every other location. Thus every spatio-temporal standpoint mirrors the world
Systems, scientific or philosophic, come and go. Each method of limited understanding is at length exhausted. In its prime each system is a triumphant success: in its decay it is an obstructive nuisance.
I have always noticed that deeply and truly religious persons are fond of a joke, and I am suspicious of those who aren't.
The art of progress is to preserve order amid change, and to preserve change amid order. Life refuses to be embalmed alive. The more prolonged the halt in some unrelieved system of order, the greater the crash of the dead society.
The Universe is vast. Nothing is more curious than the self-satisfied dogmatism with which mankind at each period of its history cherishes the delusion of the finality of existing modes of knowledge. Skeptics and believers are alike. At this moment scientists and skeptics are the leading dogmatists. Advance in detail is admitted; fundamental novelty is barred. This dogmatic common sense is the death of philosophic adventure.
Great dreamers' dreams are never fulfilled, they are always transcended.
It is the business of the future to be dangerous; and it is among the merits of science that it equips the future for its duties.
The foundation of reverence is this perception, that the present holds within itself the complete sum of existence, backwards and forwards, that whole amplitude of time, which is eternity.
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