Emotion in animals specialised form of Occam's razor used in ethology, in which he stated: Charles Darwin initially planned to include a chapter on emotion in "The Descent of Man" but as his ideas progressed they expanded into a book, "The Expression of the Emotions in Man and Animals". Darwin proposed that emotions are adaptive and serve a communicative and motivational function, and he stated three principles that are useful in understanding emotional expression: First, "The Principle of Serviceable Habits" takes a Lamarckian stance by suggesting that emotional expressions that are useful will be passed on to the offspring. Second, "The Principle of
The Man Who Knew The Man Who Knew The Man Who Knew: The Life and Times of Alan Greenspan is a biography of the former Chairman of the Federal Reserve, written by Council on Foreign Relations Senior Fellow Sebastian Mallaby. It was published in October 2016 by Penguin Press. In the book, Mallaby addresses questions about Greenspan that emerged in the wake of the 2008 financial crisis. "Mr. Greenspan is a fascinating subject because for so long he was considered a genius, only to later be blamed for the financial crisis," wrote Andrew Ross Sorkin, reviewing the book in the "New York Times". "Mr.