Don't respond to the stupidity of a fool; you'll only look foolish yourself.
Answer a fool in simple terms so he doesn't get a swelled head.
You're only asking for trouble when you send a message by a fool.
A proverb quoted by fools is limp as a wet noodle.
Putting a fool in a place of honor is like setting a mud brick on a marble column.
To ask a moron to quote a proverb is like putting a scalpel in the hands of a drunk.
Hire a fool or a drunk and you shoot yourself in the foot.
As a dog eats its own vomit, so fools recycle silliness.
See that man who thinks he's so smart? You can expect far more from a fool than from him.
Loafers say, "It's dangerous out there! Tigers are prowling the streets!" and then pull the covers back over their heads.
Just as a door turns on its hinges, so a lazybones turns back over in bed.