"You should hire me as your management consultant." "We're a management consulting firm. We don't need a management consultant to consult us." "Are you saying that management consulting is worthless?" "No, I'm saying we already know everything about management consulting." "How can you be so sure I can't help you when you don't know what my advice will be?" "Okay, you're hired. What's your advice?" "Beats me. I'll have to ask my management consultant."