Romans 1:9
As God is my witness, whom I serve in my spirit in spreading the good news of his Son, I never fail to mention you when I pray,
Romans 9:1
I am telling the truth as a Christian, it is no falsehood, for my conscience under the holy Spirit's influence bears me witness in it,
2 Corinthians 1:23
But upon my soul I call God to witness that it is simply to spare you that I have stayed away from Corinth.
2 Corinthians 11:31
The God and Father of the Lord Jesus Christ, he who is forever blessed, knows that I am telling the truth.
1 Thessalonians 2:5
We never used flattery, as you know, or found pretexts for making money, as God is our witness.
1 Thessalonians 2:10
You will testify, and God will, how pure and upright and irreproachable our relations were with you who believed.