Psalms 89:5

The heavens shall praise thy wonders - The works that shall be wrought by this descendant of David shall be so plainly miraculous as shall prove their origin to be Divine: and both saints and angels shall join to celebrate his praises.

Thy faithfulness also - All thy promises shall be fulfilled; and particularly and supereminently those which respect the congregation of the saints - the assemblies of Christian believers.

And the heavens shall praise thy wonders, O Lord - That is, the inhabitants of heaven shall find new occasion for praise in the faithfulness evinced in carrying out the promise to David, and in the marvelous things which will occur under that promise, and in its accomplishment. If we suppose that this promise embraced the Messiah and his reign, then we shall see what new occasions the angels would find for praise - in the incarnation of the Redeemer, and in all that would be accomplished by him.

Thy faithfulness also in the congregation of the saints - In the assembly of the holy ones; that is, the angels. In their songs of praise, this will be among the things which will fill them with joy. The idea is, that the inhabitants of the heavens - the holy angels - would take a deep interest in the fulfillment of this promise, as it would furnish new manifestations of the character of God. Compare Revelation 5:11-14; 1 Peter 1:12.

89:5 Heavens - The inhabitants of heaven. Faithfulness - Understand, shall be praised; which supplements are usual in scripture.