כֵּֽן־תַּעֲשֶׂ֥ה לְשֹׁרְךָ֖ לְצֹאנֶ֑ךָ שִׁבְעַ֤ת יָמִים֙ יִהְיֶ֣ה עִם־אִמּ֔וֹ בַּיּ֥וֹם הַשְּׁמִינִ֖י תִּתְּנוֹ־לִֽי׃
你的牛和你的羊也要這樣辦理：七天要和母親在一起，到第八天你要把牠獻給我。
Leviticus
Speak to Bnei Yisroel, saying, when a woman conceives and gives birth to a male child she will be ritually unclean for seven days; as the days of her menstrual flow, she will be unclean.