23. Call to inanimate nature to praise God; for it also shall share in the coming deliverance from "the bondage of corruption" (Ro 8:20, 21).
done it—effected redemption for both the literal and spiritual Israel.
lower parts, &c.—antithetical to "heavens"; "mountains," "forest," and "tree," are the intermediate objects in a descending gradation (see Ps 96:11, 12).