Do not try to live forever. You will not succeed.

A part of eugenic politics would finally land us in an extensive use of the lethal chamber. A great many people would have to be put out of existence simply because it wastes other people's time to look after them.

Discussing vaccination with a doctor is like discussing vegetarianism with a butcher.

Patriotism is a pernicious, psychopathic form of idiocy.

I'm not a teacher: only a fellow traveler of whom you asked the way. I pointed ahead - ahead of myself as well as you.

Reformers have the idea that change can be achieved by brute sanity.

Never believe anything a writer tells you about himself. A man comes to believe in the end the lies he tells himself about himself.