to worshipers as if they had bound themselves before God. Rabbi Isaac asked why one sounds (, tokin) a blast on Rosh Hashanah, and the Gemara answered that God states in "Sound (, tiku) a shofar." Rabbi Joshua son of Korchah taught that Moses stayed on Mount Sinai 40 days and 40 nights, reading the Written Law by day, and studying the Oral Law by night. After those 40 days, on the 17th of Tammuz, Moses took the Tablets of the Law, descended into the camp, broke the Tablets in pieces, and killed the Israelite sinners. Moses then spent 40 days in the camp, until he had burned the Golden Calf, ground it into powder like the dust of the earth, destroyed the idol worship from among the Israelites, and put every tribe in its place. And on the New Moon (, Rosh Chodesh) of Elul (the month before Rosh Hashanah), God told Moses in "Come up to Me on the mount," and let them sound the shofar throughout the camp, for, behold, Moses has ascended the mount, so that they do not go astray again after the worship of idols. God was exalted with that shofar, as says, "God is exalted with a shout, the Lord with the sound of a trumpet." Therefore, the Sages instituted that the shofar should be sounded on the New Moon of Elul every year. Tractate Yoma in the Mishnah, Tosefta, Jerusalem Talmud, and Babylonian Talmud interpreted the laws of Yom Kippur in and and . Rabbi Yannai taught that from the very beginning of the world's creation, God foresaw the deeds of the righteous and the wicked, and provided Yom Kippur in response. Rabbi Yannai taught that , "And the earth was desolate," alludes to the deeds of the wicked; , "And God said: 'Let there be light,'" to those of the righteous; , "And God saw the light, that it was good," to the deeds of the righteous; , "And God made a division between the light and the darkness": between the deeds of the righteous and those of the wicked; , "And God called the light day," alludes to the deeds of the righteous; , "And the darkness called He night," to those of the wicked; , "and there was evening," to the deeds of the wicked; , "and there was morning," to those of the righteous. And , "one day,"