Nature has neither core nor skin: she’s both at once outside and in.

Wer fremde Sprachen nicht kennt, weiss nichts von seiner eigenen.He who is ignorant of foreign languages, knows not his own.

Woman is mistress of the art of completely imbittering the life of the person on whom she depends.

We blame equally him who is too proud to put a proper value on his own merit and him who prizes too highly his spurious worth.

He only fears men who does not know them, and he who avoids them will soon misjudge them.

Humans fear reason, but they ought to fear stupidity- for reason can be hard, but stupidity can be fatal.

Tolerance comes of age. I see no fault committed that I myself could not have committed at some time or other.