Praise Him, O highest heavens, and you waters above the skies.
PSALM 148 The more effectually to express how worthy God is to be praised in his works, he calls upon all creatures from above and below to sing his praises. He begins with angels, but immediately proceeds to address the brute creation and dumb elements, intimating, that there is no part of the world in which the praises of God are not to be heard...
Commenting on Psalm 148:1-14
Praise him, ye heavens of heavens. By these are meant those regions which are heavens to those who dwell in our heavens; or those most heavenly of abodes where the most choice of spirits dwell. As the highest of the highest, so the best of the best are to praise the Lord.
We, in this dark and depressed world, know but little of the world of light and exaltation, and, conversing within narrow confines, can scarcely admit any tolerable conceptions of the vast regions above. But this we know, I. That there is above us a world of blessed angels by whom God is praised, an innumerable company of them.
Commenting on Psalm 148:1-6