inspiration to action, know-how, and activity knowledge. They are the keys to the system.
But good decisions must be followed through with action. Without action, a good decision becomes meaningless, for the desire itself can die through lack of an attempt to achieve its fulfillment. That's why you should act immediately on a good decision.
"Success can be reduced to a formula. And failure can be reduced to a formula, too. Apply the one and avoid the other. Think for yourself."
For selling is merely persuading another person to accept your service, your product, or your idea. In this sense, everyone is a salesman.