Have courage for the great sorrows of life and patience for the small ones; and when you have laboriously accomplished your daily task, go to sleep in peace.

The World is my country, all mankind are my brethren, and to do good is my religion.

Man will do many things to get himself loved, he will do all things to get himself envied.

The only thing that matters is submitting to the will of God.

Human nature is not totally fixed, but on any realistic scale, evolutionary processes are much too slow to affect it.