Mark Twain Quotes about Deception
Following the Equator ch. 59, "Pudd'nhead Wilson's New Calendar" (1897)
When a person cannot deceive himself the chances are against his being able to deceive other people.
Mark Twain, Harriet Elinor Smith (2012). “Autobiography of Mark Twain: Reader's Edition”, p.224, Univ of California Press