Acts 23:6

23:6 Then when Paul noticed that part of them were Sadducees and the others Pharisees, he shouted out in the council, “Brothers, I am a Pharisee, a son of Pharisees. I am on trial concerning the hope of the resurrection of the dead!”

Acts 26:4-5

26:4 Now all the Jews know the way I lived from my youth, spending my life from the beginning among my own people and in Jerusalem. 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.