Leviticus 10:7-9

Young's Literal Translation

⁷ and from the opening of the tent of meeting ye do not go out, lest ye die, for the anointing oil of Jehovah [is] upon you;' and they do according to the word of Moses.

⁸ And Jehovah speaketh unto Aaron, saying,

⁹ `Wine and strong drink thou dost not drink, thou, and thy sons with thee, in your going in unto the tent of meeting, and ye die not -- a statute age-during to your generations;