He is typically referred to as a mystic, a saint, a Sufi, an enlightened man. Rumi is often described as the best-selling poet in the United States. I am a carpenter of my own soul.” Barks’s translations, in particular, are shared widely on the Internet they are also the ones that line American bookstore shelves and are recited at weddings. Or, “Every moment I shape my destiny with a chisel. “If you are irritated by every rub, how will you ever get polished,” one of them goes. Aphorisms attributed to Rumi circulate daily on social media, offering motivation. Rumi has helped the spiritual journeys of other celebrities-Madonna, Tilda Swinton-some of whom similarly incorporated his work into theirs. A track from Coldplay’s most recent album features Barks reciting one of the poems: “This being human is a guest house / Every morning a new arrival / A joy, a depression, a meanness, / some momentary awareness comes / as an unexpected visitor.” “It kind of changed my life,” Martin said later, in an interview. It was a collection of poetry by Jalaluddin Rumi, the thirteenth-century Persian poet, translated by Coleman Barks. PHOTOGRAPH COURTESY THE WALTERS ART MUSEUMĪ couple of years ago, when Coldplay’s Chris Martin was going through a divorce from the actress Gwyneth Paltrow and feeling down, a friend gave him a book to lift his spirits. He is less frequently described as a Muslim. A seventeenth-century illustration for Rumi’s epic poem “Masnavi.” Rumi is often called a mystic, a saint, an enlightened man.