War is the father and king of all: some he has made gods, and some men; some slaves and some free.
Nature is accustomed to hide itself.
Those unmindful when they hear, for all they make of their intelligence, may be regarded as the walking dead.
Men who are lovers of wisdom [i.e., philosophers] must be inquirers into many things.
There is harmony in the tension of opposites, as in the case of the bow and lyre.
A blow to the head will confuse a man's thinking, a blow to the foot has no such effect, this cannot be the result of an immaterial soul.