21. Solomon reigned over all kingdoms from the river—All the petty kingdoms between the Euphrates and the Mediterranean were tributary to him. Similar is the statement in 1Ki 4:24.

     24. from Tiphsah—that is, Thapsacus, a large and flourishing town on the west bank of the Euphrates, the name of which was derived from a celebrated ford near it, the lowest on that river.

     8. The foreign nations mentioned (Ps 72:9, 10) could not be included in the limits, if designed to indicate the boundaries of Solomon's kingdom. The terms, though derived from those used (Ex 23:31; De 11:24) to denote the possessions of Israel, must have a wider sense. Thus, "ends of the earth" is never used of Palestine, but always of the world (compare Margin).