The Science Of Being Great – Wallace D. Wattles | The Science of Being Great is truly a treasure a personal-growth classic. A companion work to Wattles’ other classic, The Science of Getting Rich, this book is a summary of the knowledge that the author culled after studying the wisdom of the world’s religious leaders and great philosophers. Here he argues that the power of thought and positive self-esteem is the only true measure of a man’s greatness. This book i. for everyone, young and old, who wants to make the most of life, by making the most of themselves. It is a timeless lesson in personal power.