Leviticus 16:2
2And AO said to Moses: “Tell Aaron your brother not to enter freely into the Most Holy Place behind the veil in front of the mercy seat on the ark or else he will die because I appear in the cloud above the mercy seat.
2And AO said to Moses: “Tell Aaron your brother not to enter freely into the Most Holy Place behind the veil in front of the mercy seat on the ark or else he will die because I appear in the cloud above the mercy seat.