Joseph Benson's Commentary of the Old and New Testaments - Psalms 104:8
Psalms 104:8. They go up by the mountains Rather, They went up mountains: they went down valleys, &c. They went over hill and dale, as we say; they neither stopped at the former, nor lodged in the latter, but made the best of their way to the place founded for them. The psalmist is “describing the motion of the waters in mountains and valleys, when, at God’s command, they filed off from the surface of the earth, into the posts assigned them.” Some interpret the psalmist’s meaning to... read more
Albert Barnes' Notes on the Whole Bible - Psalms 104:8
They go up by the mountains ... - That is, when they were gathered together into seas. They seemed to roll and tumble over hills and mountains, and to run down in valleys, until they found the deep hollows which had been formed for seas, and where they were permanently collected together. The margin here is, “The mountains ascend, the valleys descend.” So it is translated in the Septuagint, in the Latin Vulgate, by Luther, and by DeWette. The more natural idea, however, is that in our... read more