Never force an idea; you'll abort it if you do.

Death is the lot of us all, and the only way that the human race has ever conquered death is by treating it with contempt. By living every golden minute as if one had all Eternity.

Anyone who cannot cope with mathematics is not fully human. At best, he is a tolerable subhuman who has learned to wear his shoes, bathe, and not make messes in the house.

It may be better to be a live jackal than a dead lion, but it is better still to be a live lion. And usually easier.

Teaching causes people to go into situations from which they cannot escape, except by thinking. Do not handicap children by making their lives easy.

A society that gets rid of all its troublemakers goes downhill.

...a book need never die and should not be killed; books were the immortal part of man.