Romans 1:9
God is my witness, the God whom I serve with my spirit in the gospel of his Son, how unceasingly I always mention you in my prayers,
Romans 9:1
I am telling the truth in Christ ??it is no lie, my conscience bears me out in the holy Spirit
2 Corinthians 1:23
I call God to witness against my soul, it was to spare you that I refrained from revisiting Corinth.
2 Corinthians 11:31
The God and Father of the Lord Jesus, He who is blessed for ever, He knows I am telling the truth!
1 Thessalonians 2:5
We never resorted to flattery (you know that), nor to any pretext for self-seeking (God is witness to that);
1 Thessalonians 2:10
You are witnesses, and so is God, to our behaviour among you believers, how pious and upright and blameless it was,