Romans 1:9

For God is my witness, whom I serve with my spirit in the gospel of his Son, that, without ceasing, I make mention of you,

Romans 9:1

I speak the truth in Christ, I lie not, my conscience bearing me testimony in the Holy Spirit,

2 Corinthians 1:23

But I call on God as a witness against my soul, that wishing to spare you, I did not go to Corinth;

2 Corinthians 11:31

The God and Father of our Lord Jesus Christ, who is blessed for ever, knows that I do not lie.

1 Thessalonians 2:5

For neither nattering words did we at any time use, as you know, nor a pretext for covetousness; God is witness:

1 Thessalonians 2:10

You are witnesses, and God also, in how holy and just and blameless a manner we conducted our selves among you that believe,

Treasury of Scripture Knowledge

Summary

Also now, behold, my witness is in heaven, and my record is on high.

Bible References

My witness

Romans 1:9
For God is my witness, whom I serve with my spirit in the gospel of his Son, that, without ceasing, I make mention of you,
Romans 9:1
I speak the truth in Christ, I lie not, my conscience bearing me testimony in the Holy Spirit,
2 Corinthians 1:23
But I call on God as a witness against my soul, that wishing to spare you, I did not go to Corinth;
2 Corinthians 11:31
The God and Father of our Lord Jesus Christ, who is blessed for ever, knows that I do not lie.
1 Thessalonians 2:10
You are witnesses, and God also, in how holy and just and blameless a manner we conducted our selves among you that believe,