JESUS - Galatians 2:15-16 Part 1 of 2

"We who are Jews by birth and not sinful Gentiles know that a person is not justified by the works of the law, but by faith in Jesus Christ. So we, too, have put our faith in Christ Jesus that we may be justified by faith in Christ and not by the works of the law, because by the works of the law no one will be justified." 

We who are Jews by birth 
Philippians 3:4b-5  If someone else thinks they have reasons to put confidence in the flesh, I have more: circumcised on the eighth day, of the people of Israel, of the tribe of Benjamin, a Hebrew of Hebrews; in regard to the law, a Pharisee; ...

and not sinful Gentiles 
1 Samuel 15:17-18  Samuel said (to Saul), "Although you were once small in your own eyes, did you not become the head of the tribes of Israel? The LORD anointed you king over Israel. And he sent you on a mission, saying, 'Go and completely destroy those wicked people, the Amalekites; wage war against them until you have wiped them out.' "
Luke 24:7  " 'The Son of Man must be delivered over to the hands of sinners, be crucified and on the third day be raised again.' "

know that a person is not justified by the works of the law 
Romans 3:28  For we maintain that a person is justified by faith apart from the works of the law.

but by faith in Jesus Christ 
Romans 9:30-33  What then shall we say? That the Gentiles, who did not pursue righteousness, have obtained it, a righteousness that is by faith; but the people of Israel, who pursued the law as the way of righteousness, have not attained their goal. Why not? Because they pursued it not by faith but as if it were by works. They stumbled over the stumbling stone. As it is written: "See, I lay in Zion a stone that causes people to stumble and a rock that makes them fall, and the one who believes in him will never be put to shame." (Isaiah 8:14; 28:16)

(parentheses are mine)

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