Deuteronomy 18:4-6

Young's Literal Translation

⁴ the first of thy corn, of thy new wine, and of thine oil, and the first of the fleece of thy flock, thou dost give to him;

⁵ for on him hath Jehovah thy God fixed, out of all thy tribes, to stand to serve in the name of Jehovah, He and his sons continually.

⁶ `And when the Levite cometh from one of thy cities out of all Israel, where he hath sojourned, and hath come with all the desire of his soul unto the place which Jehovah doth choose,