Acts 26:5

They have known me for a long time, if they are willing to testify to it, that according to the strictest sect of our religion, I have lived as a Pharisee.

Acts 23:6

But recognizing that one group were Sadducees and the other Pharisees, Paul began affirming loudly in the Council chamber, “Kinsmen, I am a Pharisee, a son of Pharisees; I am on trial for the hope and resurrection of the dead!”

Acts 22:3

“I am a Jew, born in Tarsus of Cilicia, but brought up in this city, educated at the feet of Gamaliel according to the strictness of the law of our fathers, being ardent and passionate for God just as all of you are today.

Acts 24:5

For we have found this man to be a public menace and one who instigates dissension among all the Jews throughout the world, and a ringleader of the [heretical] sect of the Nazarenes.

Acts 22:5

as the high priest and all the Council of the elders (Sanhedrin, Jewish High Court) can testify; because from them I received letters to the brothers, and I was on my way to Damascus in order to bring those [believers] who were there to Jerusalem in chains to be punished.

Acts 24:14

But I confess this to you, that according to the Way, which they call a [divisive and heretical] sect, I do worship and serve the God of our fathers, [confidently] believing everything that is in accordance with the Law [of Moses] and that is written in the Prophets;

Philippians 3:5-6

circumcised when I was eight days old, of the nation of Israel, of the tribe of Benjamin, a Hebrew of Hebrews [an exemplary Hebrew]; as to the [observance of 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 the high priest and all the Council of the elders (Sanhedrin, Jewish High Court) can testify; because from them I received letters to the brothers, and I was on my way to Damascus in order to bring those [believers] who were there to Jerusalem in chains to be punished.

That

Acts 23:6
But recognizing that one group were Sadducees and the other Pharisees, Paul began affirming loudly in the Council chamber, “Kinsmen, I am a Pharisee, a son of Pharisees; I am on trial for the hope and resurrection of the dead!”
Philippians 3:5
circumcised when I was eight days old, of the nation of Israel, of the tribe of Benjamin, a Hebrew of Hebrews [an exemplary Hebrew]; as to the [observance of the] Law, a Pharisee;