וְכָל־מְלָאכָה֙ לֹ֣א תַעֲשׂ֔וּ בְּעֶ֖צֶם הַיּ֣וֹם הַזֶּ֑ה כִּ֣י י֤וֹם כִּפֻּרִים֙ ה֔וּא לְכַפֵּ֣ר עֲלֵיכֶ֔ם לִפְנֵ֖י יְהוָ֥ה אֱלֹהֵיכֶֽם׃
<span class="x" onmousemove="Show('perush','Este es el <b>327mo Precepto Negativo</b> enumerado por el Rambam en el Prefacio a Mishné Torá, su “Compendio de la Ley Hebrea” para todo el Pueblo de Israel.',event);" onmouseout="Close();">Ninguna obra haréis</span> en este mismo día; porque es día de expiaciones, para reconciliaros delante del Señor; vuestro Dios.
Jerusalem Talmud Yoma
81Sifra Emor Pereq 14(3). Babli 81 a.“Warning about work on the day: Any work you shall not do82Lev. 16:29.. Punishment, and I shall destroy this person83.Lev. 23:30.. Warning about deprivation on the day, for any person who will not be deprived84Lev. 23:29.; punishment, and this person will be extirpated84Lev. 23:29..” There is no warning about work in the night, there is no punishment. There is no warning nor punishment written for deprivation in the night85In both verses quoted from Lev. 23 it is stressed בְּעֶ֖צֶם הַיּ֣וֹם הַזֶּ֑ה which in general in interpreted “in full daylight” (Mekhilta dR. Ismael Bo 9.) Since the night is forbidden as is the day (Lev. 23:32), there is an obvious contradiction to be resolved..