" The most liberating of all thoughts is disregard or “disconcern” for what other people think. Famous mail-order impresario and entrepreneur J. Peterman wrote (in his autobiography Peterman Rides Again); “Once you realize that most people are keeping up appearances and putting on a show, their approval becomes less important.” Excessive concern over what other people think inhibits personality more than any other factor. "

― , The New Psycho-Cybernetics: The Original Science of Self-Improvement and Success That Has Changed the Lives of 30 Million People