But not all have obeyed the good news; for Isaiah says, "Lord, who has believed our message?"
References for Romans 10:16
So faith comes from what is heard, and what is heard comes through the word of Christ.
References for Romans 10:17
But I ask, have they not heard? Indeed they have; for "Their voice has gone out to all the earth, and their words to the ends of the world."
Again I ask, did Israel not understand? First Moses says, "I will make you jealous of those who are not a nation; with a foolish nation I will make you angry."
Then Isaiah is so bold as to say, "I have been found by those who did not seek me; I have shown myself to those who did not ask for me."
But of Israel he says, "All day long I have held out my hands to a disobedient and contrary people."