Russell H. Conwell's selected lectures in one convenient book including Acres of Diamonds, The Key to Success and Every Man His Own University Acres of Diamonds is not only one of the greatest models of effective speech ever delivered, but it also contains the philosophy of a lifetime. Conwell delivered his lecture Acres of Diamonds more than 6,000 times. Everyone, Conwell believed, can and ought to get rich and then use that money for the good of others. The Key to Success is a motivational lecture that imparts valuable life lessons and principles for achieving success. Every Man His Own University is a motivational and thought-provoking exploration of the self-made individual's journey towards education and personal growth.