The Sages taught that inverted "nuns" ( ] ) bracket the verses , about how the Ark would move, to teach that the verses are not in their proper place. But Rabbi said that the "nuns" do not appear there on that account, but because constitute a separate book. It thus follows according to Rabbi that there are seven books of the Torah, and this accords with the interpretation that Rabbi Samuel bar Nahmani made in the name of Rabbi Jonathan of , when it says, "She has hewn out her seven pillars," referring to seven Books of the Law. Rabban Simeon ben Gamaliel, however, taught that were written where they are to provide a break between two accounts of Israel's transgressions. The first account appears in , "they set forward from the mount of the Lord three days' journey," which Rabbi Hama ben Hanina said meant that the Israelites turned away from following the Lord within three short days, and the second account appears in , which reports the Israelites' murmurings. Rav Ashi taught that more properly belong in , which reports how the Tabernacle would move.