let the earth open, &c. When the earth opened before it brought forth destruction (Numbers 16:32; Numbers 26:10 and Psalms 106:17).
Related Commentaries of Isaiah 45:8
Isaiah 45:8
8 Drop down, ye heavens, from above, and let the skies pour down righteousness: let the earth open, and let them bring forth salvation, and let righteousness spring up together; I the LORD have created it.