1 Corinthians 9:20
And unto the Jews I became as a Jew, that I might gain the Jews; to them that are under the law, as under the law, that I might gain them that are under the law;
Acts 16:3
Him would Paul have to go forth with him; and took and circumcised him because of the Jews who were in those places: for they all knew that his father was a Greek.
Acts 21:20-26
And when they heard it, they glorified the Lord, and said unto him, You see, brother, how many thousands of Jews there are who believe; and they are all zealous of the law:
Acts 17:2-3
And Paul, as his manner was, went in unto them, and three sabbath days reasoned with them out of the scriptures,
Acts 18:18
And Paul after this tarried there yet a good while, and then took his leave of the brethren, and sailed from there into Syria, and with him Priscilla and Aquila; having shaved his head in Cenchrea: for he had a vow.
Romans 3:19
Now we know that whatsoever things the law says, it says to them who are under the law: that every mouth may be stopped, and all the world may become guilty before God.
Romans 6:14-15
For sin shall not have dominion over you: for you are not under the law, but under grace.
Romans 11:14
If by any means I may provoke to envy them who are my flesh, and might save some of them.
Galatians 4:5
To redeem them that were under the law, that we might receive the adoption as sons.
Galatians 4:21
Tell me, you that desire to be under the law, do you not hear the law?
Galatians 5:18
But if you be led of the Spirit, you are not under the law.