Romans 1:2-3, 16
Romans 1:2-3 NASB1995
which He promised beforehand through His prophets in the holy Scriptures, concerning His Son, who was born of a descendant of David according to the flesh
Romans 1:16 NASB1995
For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.