The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will.
Vince LombardiAfter the cheers have died down and the stadium is empty, after the headlines have been written and after you are back in the quiet of your room and the championship ring has been placed on the dresser and all the pomp and fanfare has faded, the enduring things that are left are: the dedication to excellence, the dedication to victory, and the dedication to doing with our lives the very best we can to make the world a better place in which to live.
Vince LombardiMental toughness is many things and rather difficult to explain. Its qualities are sacrifice and self-denial. Also, most importantly, it is combined with a perfectly disciplined will that refuses to give in. It's a state of mind-you could call it character in action.
Vince Lombardi