Never mind what I said," the Lord spake. "Doth thou listen to every crazy idea that comes thy way?" And Abraham grew ashamed.

"Never mind what I said," the Lord spake. "Doth thou
listen to every crazy idea that comes thy way?" And
Abraham grew ashamed. "Er -- not really... no."
"I jokingly suggest thou sacrifice Isaac and thou
immediately runs out to do it."
And Abraham fell to his knees, "See, I never know
when you are kidding."
And the Lord thundered, "No sense of humor. I can't
believe it."
-- Without Feathers -- Woody Allen