Quotes by Subject:

Victory

I count him braver who overcomes his desires than him who conquers his enemies; for the hardest victory is over self. – Aristotle.

The first and greatest victory is to conquer yourself; to be conquered by yourself is of all things most shameful and vile. - Plato.

There's a victory, and defeat; the first and best of victories, the lowest and worst of defeats which each man gains or sustains at the hands not of another, but of himself. - Plato.