They will call the peoples to a mountain; there they will offer sacrifices of righteousness. For they will feast on the abundance of the seas and the hidden treasures of the sand.”
Here we have, I. The blessings of Zebulun and Issachar put together, for they were both the sons of Jacob by Leah, and by their lot in Canaan they were neighbours; it is foretold, 1. That they should both have a comfortable settlement and employment, Deu 33:18.
Commenting on Deuteronomy 33:18-21
And of Gad he said,.... The tribe of Gad, as the Targums of Jonathan and Jerusalem: blessed be he that enlargeth Gad; that is, the Lord, to whom the praise and glory were to be given, who had appointed to Gad a large inheritance on the other side Jordan, and had settled him in it, and which became larger by the conquest of the Hagarites...
shall suck of the abundance of the seas, and of treasures hid in the sand--Both tribes should traffic with the Phœnicians in gold and silver, pearl and coral, especially in murex, the shellfish that yielded the famous Tyrian dye, and in glass, which was manufactured from the sand of the river Belus, in their immediate neighborhood.