If triangles had a god, he would have three sides.

Wonderful maxim: not to talk of things any more after they are done.

As virtue is necessary in a republic, and honor in a monarchy, fear is what is required in a despotism. As for virtue, it is not at all necessary, and honor would be dangerous there.

There are countries where a man is worth nothing; there are others where he is worth less than nothing.

If I knew something that would serve my country but would harm mankind, I would never reveal it; for I am a citizen of humanity first and by necessity, and a citizen of France second, and only by accident

The English are busy; they don't have time to be polite.

One more organ or one less in our body would give us a different intelligence. In fact, all the established laws as to why our body is a certain way would be different if our body were not that way.