How sweet is life, can we but choose with whom to live it: to live for oneself is no life.
By associating with wise people you will become wise yourself.
In many things it is not well to say, "Know thyself"; it is better to say, "Know others."
Nothing is more useful than silence.
If you want to live your whole life free from pain you must become either a god or else a corpse. Consider other men's troubles and that will comfort you.
Hope saves a person in the midst of misfortunes.