The author's purpose of writing this book was to express, and more significantly help pay for Morrie's medical bills. At first the book was just an idea to express the author's experiences with Morrie. It was Mitch Albom's last classes with Morrie. Then it evolved into an idea. Albom wanted to repay Morrie because of all the things Morrie taught him. "I was trying to help Morrie pay his medical bills, " pg. 94.