Falling down is not a failure. Failure comes when you stay where you have fallen.

My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves

Wealth does not bring about excellence (aka areté), but excellence (aka areté) brings about wealth and all other public and private blessings for men.

In order that the mind should see light instead of darkness, so the entire soul must be turned away from this changing world, until its eye can learn to contemplate reality and that supreme splendor which we have called the good. Hence there may well be an art whose aim would be to effect this very thing.

To know thyself is the beginning of wisdom.

The end of life is to be like unto God; and the soul following God, will be like unto Him; He being the beginning, middle, and end of all things.

By far the greatest and most admirable form of wisdom is that needed to plan and beautify cities and human communities.