People ought to fight to keep their law as to defend the city s walls.

All things are in flux; the flux is subject to a unifying measure or rational principle. This principle (logos, the hidden harmony behind all change) bound opposites together in a unified tension, which is like that of a lyre, where a stable harmonious sound emerges from the tension of the opposing forces that arise from the bow bound together by the string.

People ought to fight to keep their law as to defend the city s walls.

For those who are awake, the Cosmos is One.

Men who are lovers of wisdom [i.e., philosophers] must be inquirers into many things.

Invisible harmony is better than visible.

It is wise to listen, not to me but to the Word, and to confess that all things are one.