There is harmony in the tension of opposites, as in the case of the bow and lyre.

The Lord whose oracle is at Delphi neither reveals nor conceals, but gives a sign

All things flow, nothing abides. You cannot step into the same river twice, for the waters are continually flowing on. Nothing is permanent except change.

This world... ever was, and is, and shall be, ever-living Fire, in measures being kindled and in measures going out.

If it were not for injustice, men would not know justice.

Of all whose words I have heard, no one attains to this, to know that wisdom is apart from all.

All things come out of the one, and the one out of all things.