He holdeth back, i.e. to wit, from our view, that its lustre and glory should not reach us, and so dazzle our sight; he covereth it with a cloud, as the next words explain it. Or, he holdeth fast, or binds together, or strengthens it, that it may be able to bear that burden. The face of his throne; either,
1. This lower air, which is as the face or open part of the heavens, which is often called God's throne, as Psalms 11:4 Isaiah 66:1 Amos 9:6. Or,
2. The appearance or manifestation of the heaven of heavens, where he dwelleth, whose light and glory is too great for mortal eyes, which therefore by clouds and other ways he hides from us.