Charles H. Spurgeon on Psalms 89:14

Justice and judgment are the habitation of thy throne. They are the basis of the divine government, the sphere within which his sovereignty moves. God as a sovereign is never unjust or unwise. He is too holy to be unrighteous, too wise to be mistaken; this is constant matter for joy to the upright in heart. Mercy and truth shall go before thy face. They are the harbingers and heralds of the Lord; he calls these to the front to deal with guilty and changeful man; he makes them, in the person of the Lord Jesus, to be his ambassadors, and so poor, guilty man is enabled to endure the presence of his righteous Lord. If mercy had not paved the way, the coming of God to any man must have been swift destruction. Thus has the poet sung the glories of the covenant God. It was meet that before he poured forth his lament he should record his praise, lest his sorrow should seem to have withered his faith. Before we argue our case before the Lord it is most becoming to acknowledge that we know him to be supremely great and good, whatever may be the appearance of his providence; this is such a course as every wise man will take who desires to have an answer of peace in the day of trouble.