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 Power of Positive Thinking because most obstacles are “mental in character”. Habitual worrying is the next obstacle to overcome through emptying the mind and positive affirmations. Peale then states that asking God for help can solve one's personal problems and physically and emotionally heal them. In chapter twelve, Peale states that letting go of anger and embracing a sense of calm can help with physical illnesses, such as eczema. Next, Peale states that letting positive thoughts in can change one's outlook on life drastically and that practicing relaxation through God's help will lead to a content life. Chapter fifteen gives concrete examples on how