crib - the stall where it is fed (Pro 14:4). Spiritually the word and ordinances.
Israel - The whole nation, Judah as well as Israel, in the restricted sense. God regards His covenant-people in their designed unity.
not know - namely, his Owner, as the parallelism requires; that is, not recognize Him as such (Exo 19:5, equivalent to “my people,” Joh 1:10, Joh 1:11).
consider - attend to his Master (Isa 41:8), notwithstanding the spiritual food which He provides (answering to “crib” in the parallel clause).