A serious prophet upon predicting a flood should be the first man to climb a tree.
--Stephen Crane, The Red Badge of Courage.
Charlatans also tend to do this.
Often, a charlatan would dedicate her life to selling boats. When questioned if she really believes in the floods, obviously she does! Why else would she be wasting her life as a boatwright?
Another month has passed and here is a new rationality quotes thread. The usual rules are: