This book is about doing what your heart prompts you to do. Based on the SELF-FEEL-ACT principle the book encourages the reader to listen to the reasons the heart has prompting a certain action. Blaise Pascal says: This book is about doing what your heart prompts you to do. Based on the SELF-FEEL-ACT principle the book encourages the reader to listen to the reasons the heart has prompting a certain action. Blaise Pascal says: