The princes of Judah are like those who remove a landmark. I will pour out my wrath on them like water.
By this metaphor, he means that God would deal much more severely with them than with the common people: “I,” he says, “will with full force pour forth upon them my fury, as if it were the deluge of antiquity.” The meaning is, “I will overwhelm them in my vengeance, because they have done more evil by their bad examples, than if they had been private individuals.” We hence see that the corruption of the people is imputed to the princes, and therefore God’s more dreadful vengeance is denounced on them. 