The Power of Positive Thinking believe and live successfully.” Peale's work came under criticism from various mental health experts, theologians, and academics. One general criticism against Peale's book was the lack of verified sources. "The Power of Positive Thinking" includes many personal anecdotes that the reader has no way of validating. The book includes stories about “a business executive”, “a man, an alcoholic”, “a famous trapeze artist”, “a friend of [Peale’s], a midwestern businessman”, and other unnamed individuals which cannot be verified from the information Peale presents with each anecdote. R. C. Murphy, a prominent psychiatrist based out of Tacoma, Washington, addresses another criticism of
The Power of Positive Thinking picture yourself as succeeding, think a positive thought to drown out a negative thought, minimize obstacles, do not attempt to copy others, repeat “If God be for us, who can be against us?” ten times every day, work with a counselor, repeat “I can do all things through Christ which strengtheneth me” ten times every day, develop a strong self-respect, affirm that you are in God's hands, and believe that you receive power from God. The next chapter describes the importance of creating a peaceful mind, which can be done through inspirational reading, clearing one's mind, or visualization. Peale continues