see in this world an example of the World To Come, God replied that the Sabbath is an example of the World To Come. Tractate Beitzah in the Mishnah, Tosefta, Jerusalem Talmud, and Babylonian Talmud interpreted the laws common to all of the Festivals in , 43–49; ; ; ; ; ; ; ; and ; . Tractate Pesachim in the Mishnah, Tosefta, Jerusalem Talmud, and Babylonian Talmud interpreted the laws of the Passover (, Pesach) in , 43–49; ; ; ; ; ; 28:16–25; and . The Gemara noted that in listing the several festivals in , , , and , the Torah always begins with Passover. Rabbi Akiva (or some say Rabban Johanan ben Zakai) never said in the house of study that it was time to stop studying, except on the eve of Passover and the eve of the Yom Kippur. On the eve of Passover, it was because of the children, so that they might not fall asleep, and on the eve of the Day of Atonement, it was so that they should feed their children before the fast. The Mishnah taught that a Passover sacrifice was disqualified if it was slaughtered for people who were not qualified to eat it, such as uncircumcised men or people in a state of impurity. But it was fit if it was slaughtered for people who able to eat it and people who were not able to eat it, or for people who were designated for it and people who were not designated for it, or for men circumcised and men uncircumcised, or for people in a state of impurity and people in a state of purity. It was disqualified if it was slaughtered before noon, as says, "Between the evenings." It was fit if it was slaughtered before the daily offering of the afternoon, but only if someone had been stirring the blood until the blood of the daily offering had been sprinkled. And if that blood had already been sprinkled, the Passover sacrifice was still fit. The Mishnah noted differences between the first Passover in , 43–49; ; ; ; ; ; 28:16–25; and . and the second Passover in . The Mishnah taught that the prohibitions of that "seven days shall there be no leaven found in your houses" and of that "no leaven shall be seen in all your territory" applied to the first Passover;