Bertrand russell

Conventional people are roused to fury by departure from convention, largely because they regard such departure as a criticism of themselves.

The degree of one's emotions varies inversely with one's knowledge of the facts.

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

To fear love is to fear life, and those who fear life are already three parts dead.

It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as poetry.

Patriots always talk of dying for their country and never of killing for their country.

Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.

I like mathematics because it is not human and has nothing particular to do with this planet or with the whole accidental universe - because, like Spinoza's God, it won't love us in return.

Neither a man nor a crowd nor a nation can be trusted to act humanely or to think sanely under the influence of a great fear.