On Shavuot, we celebrate the giving of the Torah. We read from it, study it, and celebrate with a festive meal. On Simchat Torah, we celebrate the second set of tablets that Moses brought down from the mountain on Yom Kippur. We take out every Torah scroll from its place, hug and kiss each one, sing its praises, and dance with it late into the night—and the next day as well—even taking the celebration out onto the street. Why are the second tablets so precious to us that we celebrate so much more on this day than on the day we heard G-d Himself at Mount Sinai? Because they represent an unbreakable bond. That even if we make a golden calf and worship it, nevertheless, we...