There is nothing more fragile than civilization.

If men and women are to understand each other, to enter into each other's nature with mutual sympathy, and to become capable of genuine comradeship, the foundation must be laid in youth.

It is on our failures that we base a new and different and better success.

Charm is a woman's strength just as strength is a man's charm.

It is the little writer rather than the great writer who seems never to quote, and the reason is that he is never really doing anything else.

Einstein is notmerely an artist in his moments of leisure and play, as a great statesman may play golf or a great soldier grow orchids. He retains the same attitude in the whole of his work. He traces science to its roots in emotion, which is exactly where art is also rooted.

It is here [in mathematics] that the artist has the fullest scope of his imagination.