For, “Everyone who calls on the name of the Lord shall be saved.” But how are they to call on one in whom they have not believed? And how are they to believe in one of whom they have never heard? And how are they to hear without someone to proclaim him? And how are they to proclaim him unless they are sent? As it is written, “How beautiful are the feet of those who bring good news!” But not all have obeyed the good news; for Isaiah says, “Lord, who has believed our message?” So faith comes...