Leviticus [Pertaining to Levites] 8:35-36

³⁵You shall stay at the door of the Tent of Meeting day and night seven days, and thereby obeying what Adonai has ordered done, so that you may not die. For this is what I am enjoined.”

³⁶Aaron Light-bringer and his sons did all the things which Adonai enjoined by Moses Drawn out.