Quote Origin: Real Success Is Finding Your Lifework in the Work That You Love

David McCullough? Mark Twain? Apocryphal? Question for Quote Investigator: Pulitzer Prize-winning historian David McCullough has received credit for an insightful expression about career choice: Real success is finding your lifework in the work that you love. I am having difficulty finding a citation. Would you please help? Reply from Quote Investigator: In 1996 David McCullough …