In art, and in the higher ranges of science, there is a feeling of harmony which underlies all endeavor. There is no true greatness in art or science without that sense of harmony.

The environment is everything that isn't me.

Creativity is intelligence having fun.

The sceptic will say, 'It may well be true that this system of equations is reasonable from a logical standpoint, but this does not prove that it corresponds to nature.' You are right, dear sceptic. Experience alone can decide on truth.

We cannot despair of humanity, since we ourselves are human beings.

The individual feels the futility of human desires and aims and the sublimity and marvelous order which reveal themselves both in nature and in the world of thought.

The ideals which have always shone before me and filled me with the joy of living are goodness, beauty, and truth.