The truths of the Scriptures are so marked and inimitable, that the inventor would be more of a miraculous character than the hero.

Civilization is a hopeless race to discover remedies for the evils it produces.

I bold it impossible, that the great monarchies of Europe can subsist much longer; they all affect magnificence and splendor.

Chemistry... is like the maid occupied with daily civilisation; she is busy with fertilisers, medicines, glass, insecticides ... for she dispenses the recipes.

Every man having been born free and master of himself, no one else may under any pretext whatever subject him without his consent. To assert that the son of a slave is born a slave is to assert that he is not born a man.

Those people who treat politics and morality separately will never understand either of them.

It is easier to conquer than to administer. With enough leverage, a finger could overturn the world; but to support the world, one must have the shoulders of Hercules.