Yahweh’s invitation to the people is not an esoteric one (55:1–5). His call is like the cry of a vendor selling his wares in the marketplace. The Lord calls on anyone and everyone to turn to him as the one who is able to provide for their needs. The open proclamation of the Lord assures that whoever desires may come, including Gentiles. He promises to take care of all humanity’s needs. This redemption is gracious and free. The gift of God is an everlasting covenant, such as the Lord made with David (2 Sam. 7:8–16). The people of God will join with the Davidic Messiah in leading nations into the covenant fellowship. The nations will submit to the witness-bearing role of God’s people.

The prophet joins the invitation of Yahweh with a call to the people to have faith in him and to openly sh…