Russell H Conwell, the esteemed Russell Conwell Lecture and Russell Conwell Sermons orator, presents his timeless Success Principles in The Key to Success. This Kindle Success Guide expands on his world-famous Acres of Diamonds address, revealing the Observation Key to Success and the transformative Power of Observation as fundamental to success. Conwell, a Civil War Veteran Author who began public speaking as a Yale Law Student, encourages readers on their path to Self Improvement Book goals, demonstrating how to Find Opportunity and Unlock Your Potential. His Inspirational Speech translates into practical advice for Achieve Your Goals, focusing on Practical Success, Wealth Building, and Financial Success through the principle of Earn Your Own Living. A prominent figure in American Success Thinking, Conwell was also the Temple University Founder and channeled his Philanthropic Income towards institutions like the Temple Church Philadelphia, Samaritan Hospital, and Garretson Hospital. Within these pages, he explores Life Philosophy and Leader Development, using the allegorical Silver Crown Story and the figure of the Huntsman King to illustrate the Finding Your King Within and the Four Tests of Leadership: that Animals Follow You, the Sun Serves You, the Waters Obey You, and Mankind Love You. Conwell touches upon the Need of Orators, distinguishing Elocution vs Oratory, and foresees the significant Women Leaders Influence. He also delves into the Power of Instinct and the Psychology of Memory, recounting poignant examples like the Professor Slayton Story. As a Public Domain Success resource, this Self-Reliance Guide offers enduring wisdom derived from years of observation and dedication to uplift humanity.