“Happiness is a direct consequence of personal effort.”

“Happiness is the consequence of personal effort. You fight for it, strive for it, insist upon it, and sometimes even travel around the world looking for it. You have to participate relentlessly in the manifestations of your own blessings. And once you have achieved a state of happiness, you must never become lax about maintaining it. You must make a mighty effort to keep swimming upward into that happiness forever, to stay afloat on top of it.”

“To like many people spontaneously and without effort is perhaps the greatest of all sources of personal happiness.”

“People are never satisfied. If they have a little, they want more. If they have a lot, they want still more. Once they have more, they wish they could be happy with little, but are incapable of making the slightest effort in that direction.”

“A firm is successful when the costs of directing employee effort are lower than the potential gain from directing.”

“...being in a position to know and nevertheless shunning knowledge creates direct responsibility for the consequences...”