Do not grieve over someone who changes all of the sudden. It might be that he has given up acting and returned to his true self.

True knowledge exists in knowing that you know nothing.

Nobody knows anything, but I, knowing nothing, am the smartest man in the world.

The soul, like the body, accepts by practice whatever habit one wishes it to contact.

Is there anyone to whom you entrust a greater number of serious matters than your wife? And is there anyone with whom you have fewer conversations?

Let he who would move the world, first complete an environmental impact assessment and a 90-day public comment period.

It is a base thing for a man to wax old in careless self-neglect before he has lifted up his eyes and seen what manner of man he was made to be, in the full perfection of bodily strength and beauty. But these glories are withheld from him who is guilty of self-neglect, for they are not wont to blaze forth unbidden.