Stupid is as stupid does
(The professor, who’s small in height is trying to reach the projector on the ceiling to turn it on.)
Professor: [Student], would you help me?
Student: “Sure. God didn’t make me smart, but he made me tall enough to be able to reach the projector.”
Professor: “That’s great!” [Awkward pause]. “About the helping… Not the God thing. Not that God isn’t… I meant your being stupid isn’t great, but… Not that you’re… Oh, never mind.”