Galatians 1:23

only they used to hear it said, "He who was once persecuting us is now preaching the gospel of the very faith which he once tried to ruin."

Acts 6:7

And the word of the Lord continued to spread; and the number of the disciples in Jerusalem was increasing exceedingly, and a large number of priests became obedient to the faith.

Acts 9:13

"But, Lord," said Ananias, "I have heard from many about that man, and how much evil he did to the saints at Jerusalem!

Acts 9:20

And he began at once to proclaim in the synagogues Jesus as the Son of God.

Acts 9:26

So he came to Jerusalem, and attempted to join the disciples, but they were all afraid of him, because they did not believe that he was a disciple.

1 Corinthians 15:8-10

and last of all, as by one born out of due time, he was seen by me also.

1 Timothy 1:13-16

although I had formerly been a blasphemer and a persecutor and a doer of outrage. But I obtained mercy because I acted ignorantly in unbelief.

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, Lord," said Ananias, "I have heard from many about that man, and how much evil he did to the saints at Jerusalem!
1 Corinthians 15:8
and last of all, as by one born out of due time, he was seen by me also.
1 Timothy 1:13
although I had formerly been a blasphemer and a persecutor and a doer of outrage. But I obtained mercy because I acted ignorantly in unbelief.