Romans 9:1

I tell the truth in Christ, I do not lie, my conscience also bearing me witness in the Holy Spirit,

Galatians 1:20

And what I write to you, behold, before God, I do not lie.

1 Timothy 2:7

To this I am ordained a preacher and an apostle (I speak the truth in Christ, I do not lie), a teacher of the nations, in faith and truth.

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 8:16

The Spirit Himself bears witness with our spirit that we are the children of God.

2 Corinthians 11:10

The truth of Christ is in me that this boasting shall not be silenced in me in the regions of Achaia.

2 Corinthians 12:19

Again, do you think we are defending ourselves to you? We speak before God in Christ, but we do all things, dearly beloved, for your building up.

Romans 2:15

who show the work of the Law written in their hearts, their conscience also bearing witness, and the thoughts between one another accusing or even excusing one another,

2 Corinthians 1:12

For our rejoicing is this, the testimony of our conscience, that in simplicity and godly sincerity; not with fleshly wisdom, but by the grace of God; we have had our conduct in the world, and more abundantly toward you.

2 Corinthians 1:23

And I call God as witness to my soul that in order to spare you I have not yet come to Corinth.

2 Corinthians 11:31

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

Philippians 1:8

For God is my witness how greatly I long after you all in the bowels of Jesus Christ.

1 Thessalonians 2:5

For neither at any time did we use flattering words, as you know, nor with pretense of covetousness; God is witness.

1 Timothy 1:5

But the end of the commandment is love out of a pure heart, and a good conscience, and faith unfeigned,

1 Timothy 5:21

I charge you before God and the Lord Jesus Christ, and the elect angels, that you guard these things without prejudice, doing nothing by partiality.

1 John 3:19-21

And in this we shall know that we are of the truth, and shall assure our hearts before Him,

Treasury of Scripture Knowledge

Bible References

I say

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
2 Corinthians 1:23
And I call God as witness to my soul that in order to spare you I have not yet come to Corinth.
2 Corinthians 11:31
The God and Father of our Lord Jesus Christ, who is blessed forever, knows that I do not lie.
2 Corinthians 12:19
Again, do you think we are defending ourselves to you? We speak before God in Christ, but we do all things, dearly beloved, for your building up.
Galatians 1:20
And what I write to you, behold, before God, I do not lie.
Philippians 1:8
For God is my witness how greatly I long after you all in the bowels of Jesus Christ.
1 Thessalonians 2:5
For neither at any time did we use flattering words, as you know, nor with pretense of covetousness; God is witness.
1 Timothy 2:7
To this I am ordained a preacher and an apostle (I speak the truth in Christ, I do not lie), a teacher of the nations, in faith and truth.
1 Timothy 5:21
I charge you before God and the Lord Jesus Christ, and the elect angels, that you guard these things without prejudice, doing nothing by partiality.

My conscience

Romans 2:15
who show the work of the Law written in their hearts, their conscience also bearing witness, and the thoughts between one another accusing or even excusing one another,
Romans 8:16
The Spirit Himself bears witness with our spirit that we are the children of God.
2 Corinthians 1:12
For our rejoicing is this, the testimony of our conscience, that in simplicity and godly sincerity; not with fleshly wisdom, but by the grace of God; we have had our conduct in the world, and more abundantly toward you.
1 Timothy 1:5
But the end of the commandment is love out of a pure heart, and a good conscience, and faith unfeigned,
1 John 3:19
And in this we shall know that we are of the truth, and shall assure our hearts before Him,

General references

Lamentations 3:48
Streams of water run down my eye for the ruin of the daughter of my people.
Acts 24:16
And in this I exercise myself, always to have a blameless conscience toward God and men.