Psalms 72:8 - Joseph Benson’s Commentary on the Old and New Testaments

He shall have dominion from sea to sea Either, 1st, From the Sinus Arabicus, or Red sea, to the Mediterranean sea, for so far Solomon's dominion extended; but so did David's also; and, therefore, in that respect Solomon has not that pre-eminence, which this promise plainly seems to give him, above his predecessors. Or, rather, 2d, More generally from one sea to another, or in all parts of the habitable world. In which sense it is truly and fully accomplished in Christ, and in him only. And from the river Namely, Euphrates: which was the eastern border of the kingdom of Canaan, allotted by God, (Exodus 23:31; Numbers 34:3,) but possessed only by David and Solomon; unto the ends of the earth To the border of Egypt, or the tract of country along the Mediterranean sea, the end of the land of Canaan. But if understood of the kingdom of Christ, the expression means literally to the remotest parts of the earth, or throughout the whole world. Thus, Psalms 2:8, I will give thee the heathen for thine inheritance, and the uttermost parts of the earth for thy possession.