"Now, David, you know that I know that you don't know what I know. Therefore, if I know that you don't know what I know you don't know, it's very plain to be seen that either you or I know very little. Now, which of us is a know-nothing? Don't be afraid to confess. Remember, we are your friends." Hippy Wingate beamed benevolently upon his victim, bland expectation written on his plump face.