Deuteronomy 18:4-6

Amplified Bible, Classic Edition

⁴ The firstfruits of your grain, of your new wine, and of your oil, and the first or best of the fleece of your sheep you shall give the priest.

⁵ For the Lord your God has chosen him out of all your tribes to stand to minister in the name [and presence] of the Lord, him and his sons forever.

⁶ And if a Levite comes from any of your towns out of all Israel where he is a temporary resident, he may come whenever he desires to [the sanctuary] the place the Lord will choose;