You do need to keep your head when those around us are going off their rockers. CNBC had a very telling slideshow of famous last words: Go to show.
My favorite classic line:
"In today's regulatory environment, it's virtually impossible to violate rules...it's impossible for a violation to go undetected, and certainly not for a considerable period of time."
Bernard Madoff, Oct. 27, 2007.
Maybe this could be used in MBA classes?