The Torah tells us not to add to or subtract from the commandments (Deuteronomy 13:1). This directive seems to contravene the ongoing development of Jewish law on the part of the rabbis (17:8–13). Mishael Sims/AP photoTorah scrolls in the ark of Em Habonim Synagogue of Casablanca, Morocco. Mishael Sims/AP photo Consider, for example, one of the dietary laws.