7 Things That Illustrate the Power of Personal Development
Success
JUNE 28, 2022
Author of more than 40 books, Marden also was the founder of SUCCESS magazine. Considered to be one of the finest speeches ever written, Acres of Diamonds offers a multitude of lessons about the rewards of work, education and finding the riches of life in your own backyard—or your own library. Photo by santypan /Shutterstock.
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