Leviticus 16:1-2

The Day of Atonement

1The  Lord spoke to Moses after athe death of the two sons of Aaron, when they drew near before the  Lord and died, 2and the  Lord said to Moses, “Tell Aaron your brother not to bcome at any time into the Holy Place inside the veil, before the mercy seat that is on the ark, so that he may not die. For cI will appear in the cloud over the mercy seat.
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