Romans 9:1

I am telling you the truth as a Christian man--it is no falsehood, for my conscience enlightened, as it is, by the Holy Spirit adds its testimony to mine--

Galatians 1:20

In making these assertions I am speaking the truth, as in the sight of God.

1 Timothy 2:7

and of which I have been appointed a herald and an Apostle (I am speaking the truth: it is not a fiction)

Romans 1:9

I call God to witness--to whom I render priestly and spiritual service by telling the Good News about His Son-- how unceasingly I make mention of you in His presence,

Romans 8:16

The Spirit Himself bears witness, along with our own spirits, to the fact that we are children of God;

2 Corinthians 11:10

Christ knows that it is true when I say that I will not be stopped from boasting of this anywhere in Greece.

2 Corinthians 12:19

You are imagining, all this time, that we are making our defense at your bar. In reality it is as in God's presence and in communion with Christ that we speak; but, dear friends, it is all with a view to your progress in goodness.

Romans 2:15

since they exhibit proof that a knowledge of the conduct which the Law requires is engraven on their hearts, while their consciences also bear witness to the Law, and their thoughts, as if in mutual discussion, accuse them or perhaps maintain their innocence--

2 Corinthians 1:12

For the reason for our boasting is this--the testimony of our own conscience that it was in holiness and with pure motives before God, and in reliance not on worldly wisdom but on the gracious help of God, that we have conducted ourselves in the world, and above all in our relations with you.

2 Corinthians 1:23

But as for me, as my soul shall answer for it, I appeal to God as my witness, that it was to spare you pain that I gave up my visit to Corinth.

2 Corinthians 11:31

The God and Father of our Lord Jesus Christ--He who is blessed throughout the Ages--knows that I am speaking the truth.

Philippians 1:8

For God is my witness how I yearn over all of you with tender Christian affection.

1 Thessalonians 2:5

For, as you are well aware, we have never used the language of flattery nor have we found pretexts for enriching ourselves--God is our witness;

1 Timothy 1:5

But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.

1 Timothy 5:21

I solemnly call upon you, in the presence of God and of Christ Jesus and of the elect angels, to carry out these instructions of mine without prejudice, and to do nothing from partiality.

1 John 3:19-21

And in this way we shall come to know that we are loyal to the truth, and shall satisfy our consciences in His presence

Treasury of Scripture Knowledge

Summary

I say the truth in Christ, I lie not, my conscience also bearing me witness in the Holy Ghost,

General references

Bible References

I say

Romans 1:9
I call God to witness--to whom I render priestly and spiritual service by telling the Good News about His Son-- how unceasingly I make mention of you in His presence,
2 Corinthians 1:23
But as for me, as my soul shall answer for it, I appeal to God as my witness, that it was to spare you pain that I gave up my visit to Corinth.
2 Corinthians 11:31
The God and Father of our Lord Jesus Christ--He who is blessed throughout the Ages--knows that I am speaking the truth.
2 Corinthians 12:19
You are imagining, all this time, that we are making our defense at your bar. In reality it is as in God's presence and in communion with Christ that we speak; but, dear friends, it is all with a view to your progress in goodness.
Galatians 1:20
In making these assertions I am speaking the truth, as in the sight of God.
Philippians 1:8
For God is my witness how I yearn over all of you with tender Christian affection.
1 Thessalonians 2:5
For, as you are well aware, we have never used the language of flattery nor have we found pretexts for enriching ourselves--God is our witness;
1 Timothy 2:7
and of which I have been appointed a herald and an Apostle (I am speaking the truth: it is not a fiction)
1 Timothy 5:21
I solemnly call upon you, in the presence of God and of Christ Jesus and of the elect angels, to carry out these instructions of mine without prejudice, and to do nothing from partiality.

My conscience

Romans 2:15
since they exhibit proof that a knowledge of the conduct which the Law requires is engraven on their hearts, while their consciences also bear witness to the Law, and their thoughts, as if in mutual discussion, accuse them or perhaps maintain their innocence--
Romans 8:16
The Spirit Himself bears witness, along with our own spirits, to the fact that we are children of God;
2 Corinthians 1:12
For the reason for our boasting is this--the testimony of our own conscience that it was in holiness and with pure motives before God, and in reliance not on worldly wisdom but on the gracious help of God, that we have conducted ourselves in the world, and above all in our relations with you.
1 Timothy 1:5
But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.
1 John 3:19
And in this way we shall come to know that we are loyal to the truth, and shall satisfy our consciences in His presence

General references

Acts 24:16
This too is my own earnest endeavour--always to have a clear conscience in relation to God and man.