This principle (Make the secret a lot more trouble than the trick seems worth)is among others that Teller discusses in this great article: https://www.smithsoni

This principle (Make the secret a lot more trouble than the trick seems worth)is among others that Teller discusses in this great article: https://www.smithsonianmag.com/arts-culture/teller-reveals-his-secrets-100744801/ https://www.smithsonianmag.com/arts-culture/teller-reveals-h... These same techniques are used by politicians and others, too.