Acts 21:20

21:20 When they heard this, they praised God. Then they said to him, “You see, brother, how many thousands of Jews there are who have believed, and they are all ardent observers of the law.

Acts 26:5-6

26:5 They know, because they have known me from time past, if they are willing to testify, that according to the strictest party of our religion, I lived as a Pharisee. 26:6 And now I stand here on trial because of my hope in the promise made by God to our ancestors,

Philippians 3:5-8

3:5 I was circumcised on the eighth day, from the people of Israel and the tribe of Benjamin, a Hebrew of Hebrews. I lived according to the law as a Pharisee. 3:6 In my zeal for God I persecuted the church. According to the righteousness stipulated in the law I was blameless. 3:7 But these assets I have come to regard as liabilities because of Christ. 3:8 More than that, I now regard all things as liabilities compared to the far greater value of knowing Christ Jesus my Lord, for whom I have suffered the loss of all things – indeed, I regard them as dung! – that I may gain Christ,