Acts 26:5

who, knowing me from the first, could testify, if they would, that, according to the strictest sect of our religion, I lived a Pharisee.

Acts 23:6

But when Paul perceived that one part belonged to the Sadducees, and the other to the Pharisees, he cried out, in the Sanhedrin: Brethren, I am a Pharisee, the son of a Pharisee; for the hope of the resurrection of the dead am I judged.

Acts 22:3

I am a Jew, born in Tarsus of Cilicia, yet educated in this city, at the feet of Gamaliel, and instructed according to the strict discipline of the law of our fathers, being zealous for God, as you all are this day.

Acts 24:5

For we have found this man a pest and a mover of sedition among all the Jews throughout the world, a ringleader of the sect of the Nazarenes.

Acts 22:5

as the chief priest and the whole body of elders will testify for me. From them I also received letters to the brethren, and went to Damascus, to bring those, also, who were there, bound to Jerusalem, that they might be punished.

Acts 24:14

But this I confess to you, that after the way which they call sect, so do I worship the God of my fathers; believing all things that are written in the law and in the prophets;

Philippians 3:5-6

circumcised the eighth day, of the race of Israel, of the tribe of Benjamin, a Hebrew of the Hebrews; as it respects 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 chief priest and the whole body of elders will testify for me. From them I also received letters to the brethren, and went to Damascus, to bring those, also, who were there, bound to Jerusalem, that they might be punished.

That

Acts 23:6
But when Paul perceived that one part belonged to the Sadducees, and the other to the Pharisees, he cried out, in the Sanhedrin: Brethren, I am a Pharisee, the son of a Pharisee; for the hope of the resurrection of the dead am I judged.
Philippians 3:5
circumcised the eighth day, of the race of Israel, of the tribe of Benjamin, a Hebrew of the Hebrews; as it respects law, a Pharisee;