One can promise actions, but not feelings, for the latter are involuntary. He who promises to love forever or hate forever or be forever faithful to someone is promising something that is not in his power.

Man is something to be surpassed.

The good-they cannot create; they are always the beginning of the end.

Children from humble families must be taught how to command just as other children must be taught how to obey.

Learn to laugh at yourselves as one must laugh!

You are rewarding a teacher poorly if you remain always a pupil.

Not joy is the mother of dissipation, but joylessness.