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

Someone praising a man for his foolhardy bravery, Cato, the elder, said, ''There is a wide difference between true courage and a mere contempt of life.

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.

Books delight to the very marrow of one's bones. They speak to us, consult with us, and join with us in a living and intense intimacy.

Antisthenes says that in a certain faraway land the cold is so intense that words freeze as soon as they are uttered, and after some time then thaw and become audible, so that words spoken in winter go unheard until the next summer.

If I were not Alexander, I would be Diogenes.

Nature without learning is blind, learning apart from nature is fractional, and practice in the absence of both is aimless.