Galatians 1:23

Only it came to their ears that he who at one time was cruel to us is now preaching the faith which before had been attacked by him;

Acts 6:7

And the word of God was increasing in power; and the number of the disciples in Jerusalem became very great, and a great number of priests were in agreement with the faith.

Acts 9:13

But Ananias said, Lord, I have had accounts of this man from a number of people, how much evil he has done to your saints at Jerusalem:

Acts 9:20

And straight away, in the Synagogues, he was preaching Jesus as the Son of God.

Acts 9:26

And when he came to Jerusalem, he made an attempt to be joined to the disciples, but they were all in fear of him, not taking him for a disciple.

1 Corinthians 15:8-10

And last of all, as by one whose birth was out of the right time, he was seen by me.

1 Timothy 1:13-16

Though I had said violent words against God, and done cruel acts, causing great trouble: but I was given mercy, because I did it without knowledge, not having faith;

Treasury of Scripture Knowledge

Summary

But they had heard only, That he which persecuted us in times past now preacheth the faith which once he destroyed.

Bible References

He which

Acts 9:13
But Ananias said, Lord, I have had accounts of this man from a number of people, how much evil he has done to your saints at Jerusalem:
1 Corinthians 15:8
And last of all, as by one whose birth was out of the right time, he was seen by me.
1 Timothy 1:13
Though I had said violent words against God, and done cruel acts, causing great trouble: but I was given mercy, because I did it without knowledge, not having faith;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain