To which I replied, "If it was without my knowledge, how would I know?"
He smiled knowingly and nodded, "That's why we ask."
A cop, stopping a drunk, asks, "Can you explain why you're out at this hour?"
"If I could," the drunk said, "I'd be home by now!"
Laugh Like There's No Tomorrow: Over 2,000 jokes from the Internet
From Day #244 in a complete manuscript compiled by Richard L. Weaver II