How can we be healthy, wealthy, and wise? Self-help pioneer Orison Swett Marden had the answers in this 1901 classic exploration of the power of positive thinking. The preeminent motivational expert of the early 20th century and a forerunner of Dale Carnegie and Norman Vincent Peale, Stephen R. Covey and Anthony Robbins, Marden explains: . "the law of opulence" . "character building and health building during sleep" . "how suggestion influences health" . "worry, the disease of the age" . "self-control versus the explosive passions" . "good cheer, God's medicine" . and much more American writer and editor ORISON SWETT MARDEN (1850-1924) was born in New England and studied at Boston University and Andover Theological Seminary. In 1897, he founded Success Magazine.