"A strong mind is one of the..." - Quote by Gary Player
A strong mind is one of the key components that separates the great from the good.
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“If you keep your mind active, regularly take on mental challenges, and continually think about the right things, you will develop the disciplined thinking that will help you with whatever you endeavor to do.”
“Let our advance worrying become advance thinking and planning.”
“There may sometimes be ungenerous attempts to keep a young man down; and they will succeed, too, if he allows his mind to be diverted from its true channel to brood over the attempted injury.”