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 CarnegieDevelop success from failures. Discouragement and failure are two of the surest stepping stones to success.
Dale CarnegieWe all have possibilities we don't know about. We can do things we don't even dream we can do. It's only when necessity faces us that we rise to the occasion and actually do the things that hitherto have seemed impossible.
Dale CarnegiePraise the slightest improvement and praise every improvement. Be hearty in your approbation and lavish in your praise.
Dale Carnegie