I think good physical conditioning is essential to any occupation. A man who is physically fit performs better at any job. Fatigue makes cowards of us all.
Vince LombardiAll right mister, let me tell you that winning means you're willing to go longer, work harder, give more than anyone else.
Vince LombardiI've never known a man worth his salt who, in the long run, deep down in his heart, didn't appreciate the grind, the discipline
Vince Lombardi