Be neither silly, nor cunning, but wise

How do you become better tomorrow? By improving yourself, the world is made better. Be not afraid of growing too slowly. Be afraid of standing still. Forget your mistakes, but remember what they taught you. So how do you become better tomorrow? By becoming better today.

Wise men don't need advice. Fools won't take it.

The riches of a country are to be valued by the quantity of labor its inhabitants are able to purchase, and not by the quantity of silver and gold they possess; which will purchase more or less labor, and therefore is more or less valuable, as is said before, according to its scarcity or plenty.

Those renowned generals [Alexander and Caesar] received more faithful service, and performed greater actions by means of the love their soldiers bore them, than they could possibly have done, if instead of being beloved and respected they had been hated and feared by those they commanded.

Great talkers, little doers.

You have on hand those things that you need if you have but the wit and wisdom to use them.