There is nothing permanent except change. Nothing is permanent except change. The only constant is change. Change is the only constant. Change alone is unchanging.

War is the father and king of all: some he has made gods, and some men; some slaves and some free.

When men dream, each has his own world. When they are awake, they have a common world.

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.

Whoever cannot seek the unforeseen sees nothing for the known way is an impasse.

Deliberate violence is more to be quenched than a fire

Those unmindful when they hear, for all they make of their intelligence, may be regarded as the walking dead.