Joshua 17:16

The hill is not enough for us; if we should invade and conquer it, and cut down both wood and men, yet it would not be sufficient for us. Heb. The hill will not be found, i.e. obtained, by us; those fierce and strong people the Perizzites and the giants will easily defend themselves, and frustrate our attempts, having the advantage of the woods and mountains. The Canaanites that dwell in the land of the valley, i.e. And if thou sayest, as we know thou wilt reply, that if the hill either cannot be conquered, or be not sufficient for us, we may go down and take more land out of the pleasant and fruitful valleys, we shall meet with no less difficulty there than in the mountains. Or thus, In going to the hills to which thou directest us, we must pass through valleys, where we shall be waylaid by powerful and armed enemies. Chariots of iron; not all made of iron but armed with iron, not only for defence, but for offence also, having as it were scythes and swords fastened to them, to cut down all that stood in their way. The valley of Jezreel; which was either in the tribe of Issachar, or upon the borders of it, Joshua 19:18.