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Individual and team discipline ultimately come down to practicing a small set of principles over a long period of time. Success is not a matter of mastering subtle, sophisticated theory, but rather embracing common sense with uncommon levels of discipline and persistence. Said in yet another way, discipline is to an athlete what scales are to a musician. Mastering the scales is what allows the musician to perform music. Mastering the skills of self discipline is what enables a person to become an accomplished elite athlete.
