Acts 26:5

having known me from the first, if they are willing to testify, that after the strictest sect of our religion I lived a Pharisee.

Acts 23:6

But when Paul perceived that the one part were Sadducees and the other Pharisees, he cried out in the council, "Men and brothers, I am a Pharisee, a son of Pharisees. Concerning the hope and resurrection of the dead I am being judged!"

Acts 22:3

"I am indeed a Jew, born in Tarsus of Cilicia, but brought up in this city at the feet of Gamaliel, instructed according to the strict tradition of the law of our fathers, being zealous for God, even as you all are this day.

Acts 24:5

For we have found this man to be a plague, an instigator of insurrections among all the Jews throughout the world, and a ringleader of the sect of the Nazarenes.

Acts 22:5

As also the high priest and all the council of the elders testify, from whom also I received letters to the brothers, and traveled to Damascus to bring them also who were there to Jerusalem in bonds to be punished.

Acts 24:14

But this I confess to you, that after the Way, which they call a sect, so I serve the God of our fathers, believing all things which are according to the law, and which are written in the prophets;

Philippians 3:5-6

circumcised the eighth day, of the stock of Israel, of the tribe of Benjamin, a Hebrew of Hebrews; concerning 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 and all the council of the elders testify, from whom also I received letters to the brothers, and traveled to Damascus to bring them also who were there to Jerusalem in bonds to be punished.

That

Acts 23:6
But when Paul perceived that the one part were Sadducees and the other Pharisees, he cried out in the council, "Men and brothers, I am a Pharisee, a son of Pharisees. Concerning the hope and resurrection of the dead I am being judged!"
Philippians 3:5
circumcised the eighth day, of the stock of Israel, of the tribe of Benjamin, a Hebrew of Hebrews; concerning the law, a Pharisee;