Bertrand Russell

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt

The infliction of cruelty with a good conscience is a delight to moralists. That is why they invented Hell

One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important

Collective fear stimulates herd instinct, and tends to produce ferocity toward those who are not regarded as members of the herd

Contempt for happiness is usually contempt for other people's happiness, and is an elegant disguise for hatred of the human race