1 Thessalonians
King James Version (KJV)

“Ye are witnesses, and God also, how holily and justly and unblameably we behaved ourselves among you that believe:”
King James Version (KJV)
2:10 Holily - In the things of God. Justly - With regard to men. Unblamable - In respect of ourselves. Among you that believe - Who were the constant observers of our behaviour.
1Th 2:10 Ye [are] witnesses. How holy and blameless were our lives.