The Prophet explains still more clearly why he directed his discourse in the last verse against the beasts of the earth and the birds of heaven, even for this end—that the Jews might understand that God was angry with them. I will stretch forth, he says, my hand on Judah and on Jerusalem. God, then, by executing his vengeance on animals, intended to exhibit to the Jews,
as in a picture, the dreadfulness of his wrath, which yet they despised and regarded as nothing. The stretching forth of God’s hand I have elsewhere explained; and it means even this—that he stretches forth his hand when he acts in an unusual manner, and employs means beyond what is common. We indeed know that God has no hands, and we also know that he performs all things by his command alone: but as everything seen in the world is called the work of his hands, so he is said to stretch forth
his hand when he mentions a work that is remarkable and worthy of being remembered. In a like manner, when I intend to do some slight work, I only move my hand; but when I have some difficult work to do, I prepare myself more carefully, and also stretch forth my arms. This metaphor, then, is intended only for this purpose, to render men more attentive to God’s works, when he is set forth as stretching forth his hand.