Acts 26:5

having known me from the beginning, if they were willing to testify, that according to the strictest sect of our religion I lived a Pharisee.

Acts 23:6

And Paul, perceiving that the one part was of the Sadducees, and the other of the Pharisees, was crying out in the Sanhedrin, "Brethren, I am a Pharisee, a son of Pharisees; concerning the hope and resurrection from the dead, I am being judged."

Acts 22:3

and he says, "I am a Jew, born in Tarsus of Cilicia, but brought up in this city at the feet of Gamaliel, having been trained according to the exactness of the ancestral law, being zealous for God, even as ye all are to-day;

Acts 24:5

For, finding this man a plague, and stirring up insurrections among the Jews throughout the inhabited earth, and a ring-leader of the sect of the Nazarenes;

Acts 22:5

as also the high priest testifies for me, and all the eldership; from whom, having received letters, I was journeying to Damascus, intending to bring those also who were there bound to Jerusalem, that they might be punished.

Acts 24:14

But I confess this to you, that, according to the Way which they call 'heresy,' so I worship the God of our fathers, believing all those things, which are according to the law, and which have been written in the prophets;

Philippians 3:5-6

circumcised the eighth day, of the race of Israel, of the tribe of Benjamin, a Hebrew of Hebrews; as to the law, a Pharisee;

Treasury of Scripture Knowledge

Summary

Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.

Bible References

If

Acts 22:5
as also the high priest testifies for me, and all the eldership; from whom, having received letters, I was journeying to Damascus, intending to bring those also who were there bound to Jerusalem, that they might be punished.

That

Acts 23:6
And Paul, perceiving that the one part was of the Sadducees, and the other of the Pharisees, was crying out in the Sanhedrin, "Brethren, I am a Pharisee, a son of Pharisees; concerning the hope and resurrection from the dead, I am being judged."
Philippians 3:5
circumcised the eighth day, of the race of Israel, of the tribe of Benjamin, a Hebrew of Hebrews; as to the law, a Pharisee;