…What, in your opinion, is the most significant discovery of this modern age? …an understanding of the Life Principle which was brought to this earth thousands or millions of years ago. Men are beginning to get an inkling of the infinite power it puts in their hands to glimpse the untold possibilities it opens up. –Robert Collier in The Secret of the Ages

The Secret of the Ages by Robert Collier is a New Thought classic that remains as influential as when it was initially released in 1926. Collier studied many books on metaphysics, success, and health before deciding to write a set of books on practical psychology: The Secret of the Ages was released in seven volumes with its message that everyone can live abundantly and healthy by using one’s unconscious mind to tap into the power of the Infinite. This book became an instant bestseller and inspired hundreds of thousands of readers.

In the 21st century, Collier’s teachings continues to inspire new readers, many self-help gurus, and Rhonda Byrne, author of the 2006 bestseller The Secret.