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:
Magical thinking thinking: "Magical thinking is no less characteristic of our own mundane intellectual activity than it is of Zande curing practices." Bronisław Malinowski's "Magic, Science and Religion" (1954) discusses another type of magical thinking, in which words and sounds are thought to have the ability to directly affect the world. This type of wish fulfillment thinking can result in the avoidance of talking about certain subjects ("speak of the devil and he'll appear"), the use of euphemisms instead of certain words, or the belief that to know the "true name" of something gives one power over it, or that certain chants,