Leviticus 10:8-10

King James Version

⁸ And the Lord spake unto Aaron, saying,

⁹ Do not drink wine nor strong drink, thou, nor thy sons with thee, when ye go into the tabernacle of the congregation, lest ye die: it shall be a statute for ever throughout your generations:

¹⁰ And that ye may put difference between holy and unholy, and between unclean and clean;