You can never step in the same river twice.

All men have the capacity of knowing themselves and acting with moderation.

The river where you set your foot just now is gone-those waters give way to this, now this.

There is but one world common for those who are awake, but when men are asleep, each turns away into a world of his own.

Thinking is a sacred disease and sight is deceptive.

Couples are wholes and not wholes, what agrees disagrees, the concordant is discordant. From all things one and from one all things.

History is a child building a sand-castle by the sea, and that child is the whole majesty of man's power in the world.