nkjv Numbers:4:19-20
nkjv@Numbers:4:19 @ but do this in regard to them, that they may live and not die when they approach the most holy things: Aaron and his sons shall go in and appoint each of them to his service and his task.
nkjv@Numbers:4:20 @ But they shall not go in to watch while the holy things are being covered, lest they die."