To serve the public interest is not the same as being a servant of public opinion.

Religious freedom in an open society has the best prospects of flourishing to the extent that it expresses itself as freedom of religious inquiry.

Tolerance always has limits - it cannot tolerate what is itself actively intolerant.

Life has meaning for anyone who takes an interest in it.

I was guilty of judging capitalism by its operations and socialism by its hopes and aspirations; capitalism by its works and socialism by its literature.

Those who say that life is worth living at any cost have already written an epitaph of infamy, for there is no cause and no person that they will not betray to stay alive.

Idealism, alas, does not protect one from ignorance, dogmatism, and foolishness.