Willpower (n.) is that admirable quality in ourselves which is detestable obstinacy in others.
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Definition.com
Willpower (n.) is the ability to keep on dressing for church after the Sunday paper arrives.
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Willpower (n.) is what a woman must have for her husband to give up smoking.
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Willpower (n.) is what every man has-until he tries to give up smoking.
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Willpower (n.) is what makes you do what you have to do when you hate to do it most.