Once you get over the shock of, you know, hearing Teller actually speak, since part of his bit is never to speak, watch closely as you might miss a great lesson. In this clip, from a documentary Penn and Teller’s Magic & Mystery Tour, you get to hear Teller explain why a seemingly simple and unimpressive cup-and-ball trick is pretty genius. “The nicest thing you can do for a fellow magician, use his knowledge to fool the heck out of him.” Teller isn’t a fool. He gave his respect for a fellow illusionist, and earning his respect in the process.