to them, and out of the produce of the fields which belonged to their cities, Num 35:4 ; the Levites were to take a tenth, and bring it to the Lord as an heave offering; that is, they were to give it to the priests, to testify their gratitude for everything they had, and to sanctify the rest unto them, and confirm their right and title to it, and give them the free use of it: of all the best thereof, even the hallowed part thereof, out of it; which was the tenth part, for that Was holy, as Aben Ezra says, and that was to be the best of it, which was always to be given to the Lord.