Character is inured habit.

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.

Most people do not understand until old age what Plato tells them when they are young.

The talkative listen to no one, for they are ever speaking. And the first evil that attends those who know not to be silent is that they hear nothing.

Education and study, and the favors of the muses, confer no greater benefit on those that seek them than these humanizing and civilizing lessons, which teach our natural qualities to submit to the limitations prescribed by reason, and to avoid the wildness of extremes.

And Archimedes, as he was washing, thought of a manner of computing the proportion of gold in King Hiero's crown by seeing the water flowing over the bathing-stool. He leaped up as one possessed or inspired, crying, "I have found it! Eureka!".

Courage consists not in hazarding without fear; but being resolutely minded in a just cause.