for a type A personality, it is not hard to push oneself hard. Pushing oneself to the limit is easy! The real challenge for the person who thrives on challenges is not to work hard. He explains to any overachievers: "If you think you are so tough you can do anything I have a challenge for you. If you really want to do something hard: say no to an opportunity so you can take a nap.
( Greg McKeown )
[ Essentialism: The Disciplined ]
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