Joseph Benson's Commentary of the Old and New Testaments - Psalms 89:1-2
Psalms 89:1-2. I will sing of the mercies of the Lord He speaks this by way of preface, lest the following complaints of present miseries should argue ingratitude for former mercies. I will make known thy faithfulness Assuring posterity, from my own observation and experience, that thou art true to every word that thou hast spoken, and that whatsoever hath befallen us, it proceeded not from thy unfaithfulness. For I have said That is, within myself. I have been assured in my own mind; ... read more
Albert Barnes' Notes on the Whole Bible - Psalms 89:1
I will sing of the mercies of the Lord for ever - Particularly how the “mercy” was manifested in the promise made to David; the solemn covenant made with him in respect to the perpetuity of his throne. The appointment of David to the throne was an act of mere mercy or favor, since he was not in the royal line, and had no claim to the crown. It will be seen, also, that if it be supposed that the covenant with David, and the promise therein made to him, was intended to include the Messiah as... read more