In this week’s parsha, we learn something surprising:When Bnei Yisrael enter Eretz Yisrael, Hashem tells them that tzara’at will appear on the walls of their new houses. It sounds like a punishment—but Chazal reveal a deeper story. Rashi, quoting Vayikra Rabbah, explains that when the local nations heard Bnei Yisrael were coming, they hid their…