We must be skeptical even of our skepticism.

Truth is for the gods; from our human point of view, it is an ideal, towards which we can approximate, but which we cannot hope to reach.

With civilized men..., it is, I think, chiefly love of excitement which makes the populace applaud when war breaks out; the emotion is exactly the same as at a football match, although the results are sometimes somewhat more serious.

I would never die for my beliefs because I might be wrong.

It seems to me now that mathematics is capable of an artistic excellence as great as that of any music, perhaps greater; not because the pleasure it gives (although very pure) is comparable, either in intensity or in the number of people who feel it, to that of music, but because it gives in absolute perfection that combination, characteristic of great art, of godlike freedom, with the sense of inevitable destiny; because, in fact, it constructs an ideal world where everything is perfect and yet true.

There is as much difference between a collection of mentally free citizens and a community molded by modern methods of propaganda as there is between a heap of raw materials and a battleship.

To expect a personality to survive the disintegration of the brain is like expecting a cricket club to survive when all of its members are dead.