Many who have learned from Hesiod the countless names of gods and monsters never understand that night and day are one

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.

Dogs, also, bark at what they do not know.

Wisdom is the oneness of mind that guides and permeated all things.

The Sibyl, with frenzied mouth uttering things not to be laughed at, unadorned and unperfumed, yet reaches to a thousand years with her voice by aid of the god.

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.

All entities move and nothing remains still.