There is no pleasure to me without communication: there is not so much as a sprightly thought comes into my mind that it does not grieve me to have produced alone and that I have no one to tell it to.
I write to keep from going mad from the contradictions I find among mankind -...
But the wicked passions of men's hearts alone seem strong enough to leave...
Good breeding consists in concealing how much we think of ourselves and how little we think of the other person.
