John Gills Exposition of the Bible Commentary - Psalms 104:9
Thou hast set a bound, that they may not pass over ,.... The Targum adds, "to the rolling waves of the sea.' Set doors with bolts and bars, cliffs, rocks, and shores: and, what is more surprising, sand, which is penetrable, flexible, and moveable, is set as a perpetual bound to the raging ocean and its waves, which they cannot pass over: see Job 38:8 . So the Lord has set a bound to the proud waters of afflictions, and says, Thus far shall ye go, and no farther; and to the life of man,... read more
John Gills Exposition of the Bible Commentary - Psalms 104:8
They go up by the mountains, they go down by the valleys ,.... The Targum is, "they ascend out of the deep to the mountains;' that is, the waters, when they went off the earth at the divine orders, steered their course up the mountains, and then went down by the valleys to the place appointed for them; they went over hills and dales, nothing could stop them or retard their course till they came to their proper place; which is another instance of the almighty power of the Son of God. Some... read more