What is morality in any given time or place? It is what the majority then and there happen to like and immorality is what they dislike.
Alfred Whitehead (1861 - 1947)
Contributed by: Zaady
There is no nature at an instant.
"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth.
Source: W.H. Auden and L. Kronenberger The Viking Book of Aphorisms, New York: Viking Press, 1966.
"One and one make two" assumes that the changes in the shift of circumstance are unimportant. But it is impossible for us to analyze this notion of unimportant change.
We think in generalities, but we live in details.
No Roman ever died in contemplation over a geometrical diagram. A reference to the death of Archimedes.
Source: H. Eves Mathematical Circles Squared, Boston: Prindle, Weber and Schmidt, 1972.
By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and, in effect, increases the mental power of the race.
Source: P. Davis and R. Hersh The Mathematical Experience, Boston: Birkhäuser, 1981.
Ideas won't keep; something must be done about them.
There is a tradition of opposition between adherents of induction and of deduction. In my view it would be just as sensible for the two ends of a worm to quarrel.
Source: N. Rose Mathematical Maxims and Minims, Raleigh NC:Rome Press Inc., 1988.
There is a technique, a knack, for thinking, just as there is for doing other things. You are not wholly at the mercy of your thoughts, any more than they are you. They are a machine you can learn to operate.
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