22-27. Thou shalt truly tithe all the increase of thy seed—The dedication of a tenth part of the year's produce in everything was then a religious duty. It was to be brought as an offering to the sanctuary; and, where distance prevented its being taken in kind, it was by this statute convertible into money.

     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.