Charles H. Spurgeon on Psalms 72:2

He shall judge thy people with righteousness. Clothed with divine authority, he shall use it on the behalf of the favoured nation, for whom he shall show himself strong, that they be not misjudged, slandered, or in any way treated maliciously. His sentence shall put their accusers to silence, and award the saints their true position as the accepted of the Lord. What a consolation to feel that none can suffer wrong in Christ's kingdom: he sits upon the great white throne, unspotted by a single deed of injustice, or even mistake of judgment: reputations are safe enough with him. And thy poor with judgment. True wisdom is manifest in all the decisions of Zion's King. We do not always understand his doings, but they are always right. Partiality has been too often shown to rich and great men, but the King of the last and best of monarchies deals out even handed justice, to the delight of the poor and despised. Here we have the poor mentioned side by side with the king. The sovereignty of God is a delightful theme to the poor in spirit; they love to see the Lord exalted, and have no quarrel with him for exercising the prerogatives of his crown. It is the fictitious wealth which labours to conceal real poverty, which makes men cavil at the reigning Lord, but a deep sense of spiritual need prepares the heart loyally to worship the Redeemer King. On the other hand, the King has a special delight in the humbled hearts of his contrite ones, and exercises all his power and wisdom on their behalf, even as Joseph in Egypt ruled for the welfare of his brethren.