Aristippus being asked what were the most necessary things for well-born boys to learn, said, "Those things which they will put in practice when they become men.
Diogenes LaertiusPlato affirmed that the soul was immortal and clothed in many bodies successively.
Diogenes LaertiusDiogenes said once to a person who was showing him a dial, "It is a very useful thing to save a man from being too late for supper.
Diogenes Laertius