The crib — The stable is empty of food for cattle, and much more for man. In the same sense cleanness of teeth is put for famine, Amos 4:6. The strength — By their labours, or by diligence in husbandry, which then was principally managed by oxen.
Related Commentaries of Proverbs 14:4
Proverbs 14:4
4 Where no oxen are, the crib is clean: but much increase is by the strength of the ox.