Don't know a fact? It's alright, Abe's there to adjust his glasses and tell you exactly why you're wrong. That, or tell you with a straight face that evolution and geology are sinful.
Is reality an illusion? Abe would argue either side of this, given a willing ear. "To refute the solipsist or the metaphysical idealist all hat you have to do is take him out and throw a rock at his head: if he ducks he's a liar." -- Edward Abbey Desert Solitaire