Earl Nightingale was America's key motivational speaker and The Strangest Secret was his most successful work. The Strangest Secret is much more than a wealth-building tool; it is a manifesto for self-actualization and purpose-driven work. In Nightingale's own words: «The only man who succeeds is the man who is progressively realizing a worthy ideal.» In this book, Nightingale distills his lifetime of research on human motivation into a simple success formula the very same one that propelled his own achievement. The Strangest Secret is a practical guide for accelerated prosperity so that you can quickly rise to the top, becoming one of the top 5 percent who succeed in your field. Challenge yourself with Nightingale's thirty-day test for putting this secret success formula into action in your life, and chart your own path to productivity, financial independence, and personal fulfillment.