In human relations one should penetrate to the core of loneliness in each person and speak to that.

This, however, is a passing nightmare; in time the earth will become again incapable of supporting life, and peace will return.

The man who is unhappy will, as a rule, adopt an unhappy creed, while the man who is happy will adopt a happy creed; each may attribute his happiness or unhappiness to his beliefs, while the real causation is the other way round.

Everybody can do something toward creating in his own environment kindly feelings rather than anger, reasonableness rather than hysteria, happiness rather than misery.

Not to be absolutely certain is, I think, one of the essential things in rationality.

Man is the product of causes which had no prevision of the end they were achieving; his origin, his growth, his hopes and fears, his loves and beliefs, are but the outcome of accidental collocations of atoms; no fire, no heroism, no intensity of though and feeling, can preserve an individual life beyond the grave.

Freedom of opinion can only exist when the government thinks itself secure.