15. καὶ τούτῳ συμφωνοῦσιν, and to this agree, i.e. with this action on God’s part the statements of His prophets are in harmony. They had foretold that it should be so. Only one prophet is here quoted, viz. Amos (Act 9:11-12), but the audience would recall other like passages, as St Paul does Rom 15:9-12, quoting from the books of Moses, David and Isaiah.