Cross reference
Romans 15:21
21 But, as it is written, "They will see, to whom no news of him came. They who haven't heard will understand."
Isaiah 52:15
15 so shall he sprinkle many nations; kings shall shut their mouths at him: for that which had not been told them shall they see; and that which they had not heard shall they understand.
Isaiah 65:1
1 I am inquired of by those who didn't ask; I am found by those who didn't seek me: I said, See me, see me, to a nation that was not called by my name.