His choice of subjects is based on the idea that "demand will come from anyone who knows he should know something he doesn't."
「展露智慧給你看，今年十一月五日是禮拜五，二○一○年十月一日也是禮拜五，可以去查，錯了就是我很笨。」像個童心未泯的大孩子一樣，接著他拿出撲克牌要我們挑一張並記住花色與數字。