Today’s Daf Yomi pages, Eruvin 70 and 71, tell us that one point of setting up an eruv is to teach our children about the laws of eruvin. It's a surprisingly profound lesson, as Rabbi Dr. Stuart Halpern argues: In focusing so much attention on seemingly mundane technicalities, Judaism is showing us that the best way to engage in religious practice isn't by waiting for revelations but by working hard, day after day, at what's less exciting but far more important. What does all of it have to do with the month of Cheshvan, which begins today? Listen and find out.