28, 29. At the end of three years . . . the Levite . . . shall come, &c.—The Levites having no inheritance like the other tribes, the Israelites were not to forget them, but honestly to tithe their increase [Nu 18:24]. Besides the tenth of all the land produce, they had forty-eight cities, with the surrounding grounds [Nu 35:7], "the best of the land," and a certain proportion of the sacrifices as their allotted perquisites. They had, therefore, if not an affluent, yet a comfortable and independent, fund for their support.

     12-15. When thou hast made an end of tithing all the tithes of thine increase the third year—Among the Hebrews there were two tithings. The first was appropriated to the Levites (Nu 18:21). The second, being the tenth of what remained, was brought to Jerusalem in kind; or it was converted into money, and the owner, on arriving in the capital, purchased sheep, bread, and oil (De 14:22, 23). This was done for two consecutive years. But this second tithing was eaten at home, and the third year distributed among the poor of the place (De 14:28, 29).