Romans 1:9
God, to whom I offer the worship of my soul as I tell the Goodness of his Son, is my witness how constantly I mention you when I pray,
Romans 9:1
I am speaking the truth as one in union with Christ; it is no lie; and my conscience, enlightened by the Holy Spirit,
2 Corinthians 1:23
But, as my life shall answer for it, I call God to witness that it was to spare you that I deferred my visit to Corinth.
2 Corinthians 11:31
The God and Father of the Lord Jesus--he who is for ever blessed--knows that I am speaking the truth.
1 Thessalonians 2:5
Never at any time, as you know, did we use the language of flattery, or make false professions in order to hide selfish aims. God will bear witness to that.
1 Thessalonians 2:10
You will bear witness, and God also, that our relations with you who believed in Christ were pure, and upright, and beyond reproach.