There is no pure, disinterested, theory-free observation.

I remained a socialist for several years, even after my rejection of Marxism; and if there could be such a thing as socialism combined with individual liberty, I would be a socialist still. For nothing could be better than living a modest, simple, and free life in an egalitarian society.

. . . it seems to me certain that more people are killed out of righteous stupidity than out of wickedness.

I have learned more from Hayek than from any other living thinker, except perhaps Alfred Tarski - but not even excepting Russell.

It is wrong to ask who will rule. The ability to vote a bad government out of office is enough. That is democracy.

The survival value of intelligence is that it allows us to extinct a bad idea, before the idea extincts us.

Unlimited tolerance must lead to the disappearance of tolerance. If we extend unlimited tolerance even to those who are intolerant, if we are not prepared to defend a tolerant society, then the tolerant will be destroyed, and tolerance with them. We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.