Take a coin from your purse and invest it in your mind. It will come pouring out of your mind and overflow your purse.

How can any Action be meritorious of Praise or Dispraise, Reward or Punishment, when the natural Principle of Self-Love is the only and the irresistible Motive to it?

The Honey is sweet, but the Bee has a Sting.

It's the easiest thing in the world for a man to deceive himself.

If you would persuade, you must appeal to interest rather than intellect.

Your net worth to the world is usually determined by what remains after your bad habits are subtracted from your good ones.

Hope of gain lessens pain.