Carl Friedrich Keil and Franz Delitzsch Old Testament Commentary

Zebulun and Naphtali acted quite differently. Zebulun showed itself as a people that despised its life even to death, i.e., that sacrificed its life for the deliverance of its fatherland. Naphtali did the same in its mountain home. The two tribes had raised 10,000 fighting men at Barak's call (Jdg 4:10), who constituted at any rate the kernel of the Israelitish army. If we run over the tribes enumerated, it seems strange that the tribes of Judah and Simeon are not mentioned either among those who joined in the battle, or among those who stayed away. The only way in which this can be explained is on the supposition that these two tribes were never summoned by Barak, either because they were so involved in conflict with the Philistines, that they were unable to render any assistance to the northern tribes against their Canaanitish oppressors, as we might infer from Jdg 3:31, or because of some inward disagreement between these tribes and the rest. But even apart from Judah and Simeon, the want of sympathy on the part of the tribes that are reproved is a sufficient proof that the enthusiasm for the cause of the Lord had greatly diminished in the nation, and that the internal unity of the congregation was considerably loosened. In the next strophe the battle and the victory are described: -