The whole of life is but a moment of time. It is our duty, therefore to use it, not to misuse it.

Socrates said he was not an Athenian or a Greek, but a citizen of the world.

The mind is not a vessel to be filled but a fire to be kindled.

The wildest colts make the best horses.

There is no stronger test of a person's character than power and authority, exciting as they do every passion, and discovering every latent vice.

Know how to listen, and you will profit even from those who talk badly.

Nature and wisdom never are at strife.