“Your toughness is made up of equal parts persistence and experience. You don’t so much outrun your opponents as outlast and outsmart them, and the toughest opponent of all is the one inside your head.” — a quote by whom?
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"Your toughness is made up of equal parts persistence and experience. You don't so much outrun your opponents as outlast and outsmart them, and the toughest opponent of all is the one inside your head." — a quote by Joe Henderson.