Verse 21. And in his name, etc. The Hebrew in Isaiah is, "And the isles shall wait for his law." The idea is, however, the same. The isles denote the Gentiles, or a part of the Gentiles -- those out of Judea. The meaning is, that the gospel should be preached to the Gentiles, and that they should receive it. See Barnes "Isa 41:1, for an explanation of the word islands, as it is used in the Bible.