Numbers 3:12 YLT

¹⁰  'And Aaron and his sons thou dost appoint, and they have kept their priesthood, and the stranger who cometh near is put to death.'

¹¹  And Jehovah speaketh unto Moses, saying,

¹²  'And I, lo, I have taken the Levites from the midst of the sons of Israel instead of every first-born opening a womb among the sons of Israel, and the Levites have been Mine;

¹³  for Mine 'is' every first-born, in the day of My smiting every first-born in the land of Egypt I have sanctified to Myself every first-born in Israel, from man unto beast; Mine they are; I 'am' Jehovah.'

¹⁴  And Jehovah speaketh unto Moses in the wilderness of Sinai, saying,