Decades before books like The Secret hit the scene, a similar philosophy took hold in some circles of American and European thinkers and intellectuals. Known as Science of Mind, proponents of this school of thought set forth many of the same principles that some of today's most popular self-help gurus propagate. In What We Believe: The Essence of Science of Mind, influential thinker Ernest Holmes sets forth the group's beliefs in a no-nonsense, refreshingly hype-free style.