I knew you were too stupid.

Just live with it.

I'd pull in some math or economic analysis to make you look really stupid, but it looks like you've got that handled.

Were your parents as stupid as you are, or was it your laziness that led to you being so dumb?
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She was standin' alone over by the juke box, like she'd something to sell.
I said "baby, what's the goin' price?" She told me to go to hell.

Bon Scott - Shot Down in Flames