Romans 10:5–13 explores how Israel’s people have, for the most part, rejected God by refusing to trust in Christ. Instead of waiting for some new truth to fall from heaven, or float up from the abyss, they ought to recognize that truth has already been given. All who confess Christ as Lord, and believe in His resurrection, will be saved. This is true for both Jews and Gentiles.
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“Romans 10:10” Bibleref.com
10 For with the heart, one believes resulting in righteousness; and with the mouth confession is made resulting in salvation.