Romans 9:1
I am telling [you] the truth in Christ [i.e., since I am a Christian]; I am not lying. My conscience, [confirmed] by the Holy Spirit, supports my statements [as true],
Galatians 1:20
Now [realizing I am] in God's presence, I am not lying about any of these things.
1 Timothy 2:7
I was appointed to be a preacher [of this testimony] and an apostle and teacher of the true faith to the Gentiles. (I am telling the truth and not lying).
Romans 1:9
For God, whom I serve wholeheartedly in [preaching] the Gospel of His Son, is my witness [to the truth] of how continually I mention you in my prayers.
Romans 8:16
The Holy Spirit Himself bears testimony [along] with our [human] spirit that we are the children of God.
2 Corinthians 11:10
As sure as the truth of Christ is in my heart, no one will stop me from boasting about this [arrangement] throughout the regions of Achaia. [Note: This was the province where Corinth was located].
2 Corinthians 12:19
You have been thinking all along that we have been defending ourselves [have you not]? We are [simply] speaking [the truth] before God in [fellowship with] Christ. But everything [we are doing], dear friends, is to build you up [spiritually].
Romans 2:15
In doing this [i.e., practicing some of the requirements of the law of Moses], they demonstrate that these requirements are written in their hearts. Their conscience tells them this, and their thoughts alternately accuse them [of wrongdoing], or else endorse them [for doing right]).
2 Corinthians 1:12
For this is what we boast of: Our conscience testifies that we have conducted ourselves in the world, and especially toward you, in holiness and godly sincerity, not with human wisdom, but with the favor of God.
2 Corinthians 1:23
But I appeal to God as my witness [i.e., to verify that I am telling the truth]; it was in order to spare you [i.e., from a disciplinary action] that I decided not to return to Corinth.
2 Corinthians 11:31
The God and Father of the Lord Jesus, who should be praised forever, knows that I am not lying.
Philippians 1:8
For God is my witness that I long to see you with the [same] affection that Christ Jesus has [for you].
1 Thessalonians 2:5
For we were never found using flattering words at any time, as you know, nor did we try to cover up any greedy desires. God can testify [to this].
1 Timothy 1:5
But the goal of this instruction is [to] love [God and people] from a pure heart, a good conscience and a sincere faith.
1 Timothy 5:21
I solemnly urge you, in the presence of God, and Christ Jesus and the elect [i.e, chosen] angels, that you obey these instructions without showing prejudice [toward anyone], or doing anything out of partiality.
1 John 3:19-21
And this is how we will know that we are following [God's] truth, and will have assurance [of it] in our hearts and before God [as well].