2 Corinthians 1:12

For the reason for our boasting is this--the testimony of our own conscience that it was in holiness and with pure motives before God, and in reliance not on worldly wisdom but on the gracious help of God, that we have conducted ourselves in the world, and above all in our relations with you.

1 Thessalonians 2:10

You yourselves are witnesses--and God is witness--how holy and upright and blameless our dealings with you believers were.

1 Timothy 1:13

though I was previously a blasphemer and a persecutor and had been insolent in outrage. Yet mercy was shown me, because I had acted ignorantly, not having as yet believed;

Treasury of Scripture Knowledge

Summary

Said he not unto me, She is my sister? and she, even she herself said, He is my brother: in the integrity of my heart and innocency of my hands have I done this.

Bible References

In the integrity

2 Corinthians 1:12
For the reason for our boasting is this--the testimony of our own conscience that it was in holiness and with pure motives before God, and in reliance not on worldly wisdom but on the gracious help of God, that we have conducted ourselves in the world, and above all in our relations with you.
1 Thessalonians 2:10
You yourselves are witnesses--and God is witness--how holy and upright and blameless our dealings with you believers were.
1 Timothy 1:13
though I was previously a blasphemer and a persecutor and had been insolent in outrage. Yet mercy was shown me, because I had acted ignorantly, not having as yet believed;