The 2005 entry Insults, Taunts and Rebukes noted, "Particularly literate people have a way of delivering rebukes and insults. In fact, they do it a lot better than you do."
Here are some more. :-)
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"I am enclosing two tickets to the first night of my new play, bring a friend... if you have one." --George Bernard Shaw to Winston Churchill
"Cannot possibly attend first night, will attend second... if there is one." --Churchill, in response