Acts 22:3

22:3 “I am a Jew, born in Tarsus in Cilicia, but brought up in this city, educated with strictness under Gamaliel according to the law of our ancestors, and was zealous for God just as all of you are today.

Acts 26:5

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.

Acts 26:9

26:9 Of course, I myself was convinced that it was necessary to do many things hostile to the name of Jesus the Nazarene.

Philippians 3:4-6

3:4 – though mine too are significant. If someone thinks he has good reasons to put confidence in human credentials, I have more: 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.