This book is a best seller and continues to stay on the best seller list because in my opinion most people down deep understand the truth of Morrie’s basic philosophy that people living exclusively in a materialistic world generally do so to replace what they feel is missing from their lives even though they may not be consciously aware, at the moment, of what precisely is "missing." What is missing ? I found part of this answer in a general sense in this book. I found even more precise and concrete answers in the book An Encounter With A Prophet. I highly recommend both of these books to anyone seeking to find out why they seem to continue to feel something is missing from life.