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A Gentleman (n.) is never unintentionally rude.
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A Gentleman (n.) never hurts anyone's feelings unintentionally.
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A Gentleman's (n.) duty never interferes with his pleasures in the slightest degree.
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A Gentleman (n.) knows quite enough; and if a man is not a gentleman, whatever he knows is bad for him.
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A Gentleman (n.) never dines before seven.