You despise books; you whose lives are absorbed in the vanities of ambition, the pursuit of pleasure or indolence; but remember that all the known world, excepting only savage nations, is governed by books.

If you want to know who controls you, look at who you are not allowed to criticize.

Theology is to religion what poisons are to food.

My life is a struggle.

Je ne suis pas d'accord avec ce que vous dites, mais je d‚fendrai jusqu'... la mort le droit que vous avez de le dire/ I do not agree with what you have to say, but I'll defend to the death your right to say it

Everything you say should be true, but not everything true should be said.

In this country we find it pays to shoot an admiral from time to time to encourage the others.