Thematic Bible: Had an ecclesiastical establishment

“Now bring your brother Aaron near, and his sons with him from among the sons of Israel, so that he may serve as priest to Me—Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron’s sons. Verse ConceptsLeaders, SpiritualPriests, Function In Ot TimesPriests, Institution In Ot TimesServanthood, And Worship Of GodAaron, As High PriestMinisters, Description OfTypes Of Christ

Behold, I Myself have taken your fellow Levites from among the sons of Israel; they are a gift to you, given (dedicated) to the Lord, to do the service for the Tent of Meeting (tabernacle). Verse ConceptsDedication In Ot

And you shall know, recognize, and understand that I have sent this [new] decree to you priests, to be My [new] covenant with Levi [the priestly tribe], says the Lord of hosts. My covenant [on My part with Levi] was to give him life and peace, because [on his part] of the [reverent and worshipful] fear with which [the priests] would revere Me and stand in awe of My name. The law of truth was in [Levi's] mouth, and unrighteousness was not found in his lips; he walked with Me in peace and uprightness and turned many away from iniquity. read more.
For the priest's lips should guard and keep pure the knowledge [of My law], and the people should seek (inquire for and require) instruction at his mouth; for he is the messenger of the Lord of hosts.