Today’s Daf Yomi pages, Sukkah 37 and 38, raise the age-old question: Why do we shake the lulav and etrog on Sukkot? Isn't simply lifting them enough? Rabbi Dovid Bashevkin joins us to explain the mystical symbolism behind these acts, and how they help us imagine that the whole world is one body, begging God for mercy. What does that have to do with the practice of many religious Jews to sway back and forth as they pray? Listen and find out.Like the show? Send us a note at [email protected]. Follow us on Twitter at @takeonedafyomi and join the conversation in the Take One Facebook group.Take One is hosted by Liel Leibovitz and produced by Josh Kross, Sara Fredman Aeder, and Robert Scaramuccia.Check out all of Tablet’s podcasts at tabletmag.com/podcasts.