Romans 10:13-17

For whosoever shall call upon the name of the Lord, shall be saved. How then shall they call on him, in whom they have not believed? Or how shall they believe him, of whom they have not heard? And how shall they hear, without a preacher? And how shall they preach unless they be sent, as it is written: How beautiful are the feet of them that preach the gospel of peace, of them that bring glad tidings of good things! But all do not obey the gospel. For Isaias saith: Lord, who hath believed our report? Faith then cometh by hearing; and hearing by the word of Christ.