 According to Mitch Horowitz, the editor-in-chief of the Jeremy Tarcher imprint of Penguin Books, which reprinted "The Science of Getting Rich" in 2007, Wattles' "Certain Way" descended from the "mental healing movement" that had started earlier with Phineas P. Quimby in the mid-19th century.As Horowitz explained to a reporter from the "Washington Post", after experiencing relief from physical symptoms of discomfort or illness through Quimby's mental strategies, people began to wonder, "If my state of mind seems to have a positive influence over how I feel physically, what other things can it do?Can it lead to prosperity?