וְלֹֽא־יֵרָאֶ֨ה לְךָ֥ שְׂאֹ֛ר בְּכָל־גְּבֻלְךָ֖ שִׁבְעַ֣ת יָמִ֑ים וְלֹא־יָלִ֣ין מִן־הַבָּשָׂ֗ר אֲשֶׁ֨ר תִּזְבַּ֥ח בָּעֶ֛רֶב בַּיּ֥וֹם הָרִאשׁ֖וֹן לַבֹּֽקֶר׃
七日之內，在你的全境都不可見到屬於你的酵；你在第一日傍晚所獻祭的肉，一點都不可留過夜到早晨。
Mishnah Beitzah
An egg laid on Yom Tov: Bet Shammai say: it may be eaten [on the same day]; But Bet Hillel say: it may not be eaten [until the day is over]. Bet Shammai say: [the quantity of] leaven is of the size of an olive and leavened bread is of the size of a date; But Bet Hillel say: both are of the size of an olive.