Bamidbar 8:22-24

Orthodox Jewish Bible

²² And after that went the Levi’im in to do their Avodah in the Ohel Mo’ed before Aharon, and before his Banim; just as Hashem had commanded Moshe concerning the Levi’im, so did they with them.

²³ And Hashem spoke unto Moshe, saying,

²⁴ This is it that belongeth unto the Levi’im: from twenty and five years old and upward they shall enter to perform service in the Avodat Ohel Mo’ed;