Galatians 2:13-16

13and the rest of the Jews also played the same dissembling part with him; so that even Barnabas was carried away too by their dissimulation.

14But when I saw that they do not walk straightforwardly, according to the truth of the glad tidings, I said to Peter before all, If thou, being a Jew, livest as the nations and not as the Jews, how dost thou compel the nations to Judaize?

15We, Jews by nature, and not sinners of [the] nations,

16but knowing that a man is not justified on the principle of works of law [nor] but by the faith of Jesus Christ, we also have believed on Christ Jesus, that we might be justified on the principle of [the] faith of Christ; and not of works of law; because on the principle of works of law no flesh shall be justified.