"It is easier to fool people than to convince them that they have been fooled."

"The human being is a machine. An automatic machine. It does not reason. It merely acts upon the impulse of the moment."

"Against the assault of laughter, nothing can stand."

"Never argue with stupid people, they will drag you down to their level and then beat you with experience."

"The best way to cheer yourself up is to try to cheer somebody else up."