Christ was only crucified once and for a few hours. Think of the hundreds of thousands whom Christ has been crucifying in a quiet way ever since.

Self-preservation is the first law of nature.

It is not he who gains the exact point in dispute who scores most in controversy - but he who has shown the better temper.

All progress is based upon a universal innate desire on the part of every organism to live beyond its income.

Books want to be born: I never make them. They come to me and insist on being written, and on being such and such.

One of the first businesses of a sensible man is to know when he is beaten, and to leave off fighting at once.

Work with some men is as besetting a sin as idleness.