38:4-11 For the humbling of Job, God here shows him his ignorance, even concerning the earth and the sea. As we cannot find fault with God's work, so we need not fear concerning it. The works of his providence, as well as the work of creation, never can be broken; and the work of redemption is no less firm, of which Christ himself is both the Foundation and the Corner-stone. The church stands as firm as the earth.
8. doors—floodgates; these when opened caused the flood (Ge 8:2); or else, the shores.
womb—of chaos. The bowels of the earth. Image from childbirth (Job 38:8, 9; Eze 32:2; Mic 4:10). Ocean at its birth was wrapped in clouds as its swaddling bands.