Commentaries
89:1-4 Though our expectations may be disappointed, yet God's promises are established in the heavens, in his eternal counsels; they are out of the reach of opposers in hell and earth. And faith in the boundless mercy and everlasting truth of God, may bring comfort even in the deepest trials.
3, 4. The object of this faith expressed in God's words (2Sa 7:11-16).
with—or literally, "to"
my chosen—as the covenant is in the form of a promise.