薩斯頓三原則 1.Never Tell How A Trick Is Done.(除非你不得不告訴別人才告訴別人秘密，否則你絕不說出魔術的秘密。) 2.Never Repeat A Trick For The Same Audience.(從不在同一觀眾面前重複表演同一魔術。) 3.Never Tell Your Audience What You Are Going To Do Ahead Of Time.(從不告訴或暗示觀眾你下一步要做什麼。)