Mental toughness is many things. It is humility because it behooves all of us to remember that simplicity is the sign of greatness and meekness is the sign of true strength. Mental toughness is spartanism with qualities of sacrifice, self-denial, dedication. It is fearlessness, and it is love.
Vince LombardiYou've got to keep yourself in prime physical condition, because fatigue makes cowards of us all.
Vince LombardiEvery time a player goes out to ply his trade he's got to play from the ground up - from the soles of his feet right up to his head. Every inch of him has to play. Some guys play with their heads. That's O.K. You've got to be smart to be Number One in any business. But more important, you've got to play with you heart - with every fiber of your body. If you're lucky enough to find a guy with a lot of head and a lot of heart, he's never going to come off the field second.
Vince Lombardi