赫拉克利特
辯證法的奠基人
Man is much more than he thinks.
You cannot explore the depths of the soul, even if you travel every road.
The opinions of the wise are alike, but fools have their own way.
Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
A great army is a great sickness.
Opposition brings concord. Out of discord comes the fairest harmony.
War is the father of all, and king of all; and some he has made gods, and some men; some he has made slaves, and some free.
Everything flows, everything changes, nothing remains.
You cannot step into the same river twice.