Enthusiasm is the dynamics of your personality. Without it, whatever abilities you may possess lie dormant; and it is safe to say that nearly every man has more latent power than he ever learns to use. You may have knowledge, sound judgment, good reasoning faculties; but no one-not even yourself-will know it until you discover how to put your heart into thought and action.
Dale CarnegieWhen you're afraid keep your mind on what you have to do. And if you have been thoroughly prepared you will not be afraid.
Dale CarnegieIf we want to find happiness, let's stop thinking about gratitude or ingratitude and give for the inner joy of giving.
Dale Carnegie