Jewish mythology of his power to Israel and the nations. From Egypt, Moses led the Israelites to biblical Mount Sinai, where he was given the Ten Commandments from God, written on stone tablets. Later at Mount Sinai, Moses and the elders entered into a covenant, by which Israel would become the people of YHWH, obeying his laws, and YHWH would be their god. Moses delivered the laws of God to Israel, instituted the priesthood under the sons of Moses' brother Aaron, and destroyed those Israelites who fell away from his worship. After the forty years had passed, Moses eventually led the Israelites
Emor it was on Yom Kippur that Moses came down from Mount Sinai with the second tablets and announced to the Israelites God’s pardon of their sin with the Golden Calf. God therefore appointed Yom Kippur forever as a day devoted to repentance and the true worship of God. For this reason, the law interdicts all material enjoyment, trouble and care for the body, and work, so that people might spend the day confessing their sins and abandoning them. Maimonides taught that the other holy days (discussed in and 33–44) were appointed for rejoicing and for the pleasant gathering that people