Moses
Psalm 89:16ESV·traditional attribution

who exult in your name all the day and in your righteousness are exalted.

John Calvin Reformed @genevareformer

PSALM 89 The prophet who wrote this psalm, whoever he was, in approaching the throne of grace to make supplication to God in behalf of the afflicted Church, lays down, as an encouragement both to himself and the rest of the faithful to cherish good hope, the covenant which God had made with David.

Commenting on Psalm 89:1-52

C.H. Spurgeon Reformed Baptist @princeofpreachers

In thy name shall they rejoice all the day. And good cause they have for so doing, for to the soul which, in Christ Jesus, has entered into covenant with God, every attribute is a fountain of delight. There is no hour in the day, and no day in our life, in which we may not rejoice in the name, person, and character of the Lord.

Matthew Henry Presbyterian @wholebiblehenry

The psalmist, having largely shown the blessedness of the God of Israel, here shows the blessedness of the Israel of God. As there is none like unto the God of Jeshurun, so, happy art thou, O Israel! there is none like unto thee, O people! especially as a type of the gospel-Israel, consisting of all true believers, whose happiness is here described. I.

Commenting on Psalm 89:15-18