The phrase "The Science of Being Great" is often associated with a self-help book written by Wallace D. Wattles. Published in 1910 as a sequel to Wattles' more famous work, "The Science of Getting Rich," this book focuses on personal development and the principles of achieving greatness in one's life.In "The Science of Being Great," Wattles explores the idea that greatness is not solely determined by external circumstances or possessions but is rather a result of cultivating certain qualities and behaviors. The book emphasizes the importance of character development, positive thinking, and aligning one's actions with their goals.Key concepts in the book include the power of thought, the impact of one's mental attitude on success, and the role of gratitude in achieving greatness. It encourages readers to tap into their inherent abilities and talents, viewing greatness as a process that involves continuous growth and self-improvement.Overall, "The Science of Being Great" promotes a holistic approach to success, focusing on the development of both the individual's character and their mindset.