כָּל־מְלָאכָ֖ה לֹ֣א תַעֲשׂ֑וּ חֻקַּ֤ת עוֹלָם֙ לְדֹרֹ֣תֵיכֶ֔ם בְּכֹ֖ל מֹֽשְׁבֹֽתֵיכֶֽם׃
任何工作你們都不可做；這是你們在你們一切住處世世代代永遠的定例。
Mishneh Torah, Negative Mitzvot
Not to do work on the Day of Atonement, as it is said concerning it, “Ye shall do no manner of work” (Lev. 23:31).