Be ever active in the management of the economy, because the root of wealth is economic activity; inactivity brings material distress.
Moral excellence is an ornament for personal beauty; righteous conduct, for high birth; success, for learning; and proper spending, for wealth.
Accumulated wealth is saved by spending, just as incoming fresh water is saved by letting out stagnant water.
Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power.
You have power over your mind — not outside events. Realize this, and you will find strength.
There are two sentences inscribed upon the Delphic oracle, hugely accommodated to the usages of man's life: "Know thyself," and "Nothing too much;" and upon these all other precepts depend.