28:23-29 The husbandman applies to his calling with pains and prudence, in all the works of it according to their nature. Thus the Lord, who has given men this wisdom, is wonderful in counsel, and excellent in his working. As the occasion requires, he threatens, corrects, spares, shows mercy, or executes vengeance. Afflictions are God's threshing instruments, to loosen us from the world, to part between us and our chaff, and to prepare us for use. God will proportion them to our strength; they shall be no heavier than there is need. When his end is answered, the trials and sufferings of his people shall cease; his wheat shall be gathered into the garner, but the chaff shall be burned with unquenchable fire.

27. The husbandman uses the same discretion in threshing. The dill ("fitches") and cummin, leguminous and tender grains, are beaten out, not as wheat, &c., with the heavy corn-drag ("threshing instrument"), but with "a staff"; heavy instruments would crush and injure the seed.

cart wheel—two iron wheels armed with iron teeth, like a saw, joined together by a wooden axle. The "corn-drag" was made of three or four wooden cylinders, armed with iron teeth or flint stones fixed underneath, and joined like a sledge. Both instruments cut the straw for fodder as well as separated the corn.

staff—used also where they had but a small quantity of corn; the flail (Ru 2:17).