There is nothing permanent except change.
All things flow, nothing abides.
Knowledge of divine things for the most part is lost to us by incredulity.
People ought to fight to keep their law as to defend the city s walls.
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.
Our envy always lasts longer than the happiness of those we envy.