Galatians 1:23

and only they were hearing, that 'he who is persecuting us then, doth now proclaim good news -- the faith that then he was wasting;'

Acts 6:7

And the word of God did increase, and the number of the disciples did multiply in Jerusalem exceedingly; a great multitude also of the priests were obedient to the faith.

Acts 9:13

And Ananias answered, 'Lord, I have heard from many about this man, how many evils he did to Thy saints in Jerusalem,

Acts 9:20

and immediately in the synagogues he was preaching the Christ, that he is the Son of God.

Acts 9:26

And Saul, having come to Jerusalem, did try to join himself to the disciples, and they were all afraid of him, not believing that he is a disciple,

1 Corinthians 15:8-10

And last of all -- as to the untimely birth -- he appeared also to me,

1 Timothy 1:13-16

who before was speaking evil, and persecuting, and insulting, but I found kindness, because, being ignorant, I did it 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
And Ananias answered, 'Lord, I have heard from many about this man, how many evils he did to Thy saints in Jerusalem,
1 Corinthians 15:8
And last of all -- as to the untimely birth -- he appeared also to me,
1 Timothy 1:13
who before was speaking evil, and persecuting, and insulting, but I found kindness, because, being ignorant, I did it in unbelief,