If you increase your success by even a mere 10 percent, you have become 10 percent more effective as a leader than you were before.
Dale CarnegieIf you can be sure of being right only 55 percent of the time, you can go down to Wall Street and make a million dollars a day. If you can't be sure of being right even 55 percent of the time, why should you tell other people they are wrong?
Dale CarnegieEnthusiasm 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 Carnegie