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 Three (Doctor Who) dog of the Fourth Doctor. The episode's title was originally reported as "Cubed", but was later announced as "The Power of Three". Chris Chibnall had previously written the "Doctor Who" episodes "42" (2007), "The Hungry Earth"/"Cold Blood" (2010), and the second episode of the seventh series, "Dinosaurs on a Spaceship". He was also a major contributor to the spinoff series "Torchwood". "The Power of Three" is his second contribution to "Doctor Who"'s seventh series, after "Dinosaurs on a Spaceship". Chibnall described "The Power of Three" as "a lovely big Earth invasion story" but different from the ones done before, as