As A Man Thinketh is a self-help book written by Robert Collier that explores the power of positive thinking and how it can transform one's life. The book is based on the idea that our thoughts shape our reality, and that by changing our thoughts, we can change our lives for the better. Collier argues that success, happiness, and fulfillment are all within our reach if we learn to control our thoughts and focus on the positive. The book is divided...