Right. But when you hear it in those words, you don't believe it because it's so counterintuitive. What Furtive was looking for was a way to explain it to nonbelievers so that they would understand. Even after I'd read a few explanations, it still sounded wrong to me. I had to turn it over in my mind enough times to get the crux of the problem in the right place so that my puny brain could accept it as logical.