Deuteronomy 18:5-7

Darby Translation

⁵ for Jehovah thy God hath chosen him out of all thy tribes, that he may stand to serve in the name of Jehovah, he and his sons continually.

⁶ And if the Levite shall come from one of thy gates out of all Israel, where he sojourneth, and shall come according to all the desire of his soul unto the place which Jehovah will choose,

⁷ and shall serve in the name of Jehovah his God, as all his brethren the Levites that stand there before Jehovah,