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

To God everything is beautiful, good, and just; humans, however, think some things are unjust and others just.

Men who wish to know about the world must learn about it in its particular details.

All things come into being through opposition and all are in flux like a river

It is better to hide ignorance, but it is hard to do this when we relax over wine.

Heraclitus somewhere says that all things are in process and nothing stays still, and likening existing things to the stream of a river he says that you would not step twice into the same river.

Everything flows, nothing stays still.