17. This is the point which he wished to establish (verse 14), “How shall they believe him, of whom they have not heard? “And hearing by the word of Christ.” In the ordinary Greek, ῤήματος θεου, the word of God. The chief MSS. have, Χριστου, “of Christ.” 18. “Their sound hath gone forth,” &c. These words are quoted by the Apostle from Psalm 18:5, according to the Septuagint version of the Psalms. In their primary and literal signification, they refer to the heavenly bodies, and the order and harmony
Romans 10:17–21