Marcus Aurelius? Irvin D. Yalom? George Long? John Jackson? Martin Hammond? Ivar Lissner? Apocryphal? Question for Quote Investigator: The book “Creatures of a Day: And Other Tales of Psychotherapy” by U.S. psychiatrist Irvin D. Yalom begins with the following passage attributed to Roman emperor and Stoic philosopher Marcus Aurelius in “The Meditations”: All of us …