The Power of Positive Thinking Happiness," published in 1950, and "Inspiring Messages for Daily Living", published in 1955. "The Power of Positive Thinking" appeared at a time when Christian church attendance was drastically increasing, national views of spirituality, individuality, and religion were shifting, and the Cold War was a growing concern for many Americans. These factors, as well as Peale's growing popularity as a motivational public figure and the book's clear prose, propelled "The Power of Positive Thinking" into a self-help book still popular today. Peale begins by stating ten rules for “overcoming inadequacy attitudes and learning to practice faith”. The rules include the following:
The Art of Negative Thinking is the worst off with the most serious problems, and who is malingerering or does not belong. After dramatic emotional breakdowns, the group members discover solidarity and emotional release by being honest and dropping the facade they have built around themselves. They become familiar with each other, they become friends, and they learn the art of thinking negatively. "The Art of Negative Thinking" was released in Norway on 11 November 2006 and its international run began in June 2007. It was distributed in Norway by Columbia Tristar Nordisk Film Distributors, and internationally by the Danish company TrustNordisk. The film sold