Marriage, a market which has nothing free but the entrance.

The strength of any plan depends on the time. Circumstances and things eternally shift and change.

Man is certainly crazy. He could not make a mite, and he makes gods by the dozen.

Repentance is but a denying of our will, and an opposition of our fantasies.

We must reserve a back shop all our own entirely free, in which to establish our real liberty and our principal retreat and solitude.

I know that the arms of friendship are long enough to reach from the one end of the world to the other

As for our pupils talk, let his virtue and his sense of right and wrong shine through it and have no guide but reason. Make him understand that confessing an error which he discovers in his own argument even when he alone has noticed it is an act of justice and integrity, which are the main qualities he pursues; stubbornness and rancour are vulgar qualities, visible in common souls whereas to think again, to change one's mind and to give up a bad case on the heat of the argument are rare qualities showing strength and wisdom.