Hatred is a prolific vice; envy, a barren vice.

One remains young as long as one can still learn, can still take on new habits, can bear contradictions.

Unattainable wishes are often "pious." This seems to indicate that only profane wishes are fulfilled.

Blessed is trust, for it blesses both those who have it to give and those who receive it.

Nobody knows enough, but many know too much.

He who believes in freedom of the will has never loved and never hated.

They understand but a little who understand only what can be explained.