Every cause produces more than one effect.

There is a principle which is a bar against all information, which cannot fail to keep a man in everlasting ignorance-that principle is contempt prior to investigation.

The great aim of education is not knowledge but action.

The wise man must remember that while he is a descendant of the past, he is a parent of the future.

The society exists for the benefit of its members; not its members for the benefit of the society.

No one can be perfectly free till all are free; no one can be perfectly moral till all are moral; no one can be perfectly happy till all are happy.

All Socialism involves slavery.

Hero-worship is strongest where there is least regard for human freedom.

This survival of the fittest implies multiplication of the fittest.

Be bold, be bold, and everywhere be bold.

Civilization is a progress from an indefinite, incoherent homogeneity toward a definite, coherent heterogeneity.

A faith that cannot survive collision with the truth is not worth many regrets.

I think of making a movie in such a romantic way.

They're funny things, Accidents. You never have them till you're having them.

I don't think I'd be a very good talk show host. I mean, I'm very talkative but I don't know if I could do that all the time.

The driving motivation of a new American endeavor in Iraq and in neighboring Arab lands should be modernizing the Arab world.

Each of us brings with him an element, more or less important, of the life of humanity to come.

For me the challenge isn't to be different but to be consistent.

The stage on which we play our little dramas of life and love has for most of us but one setting.

They copied all they could copy, But they couldn't copy my mind; And I left them sweatin' and stealin', A year and a half behind.

She soon learned, though, that giving weight to other people's opinions was creative nihilism; it was like being banished from the Land of No Words and exiled to the Land of All Bullshit.