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]).
John 8:9
And when they heard [what He had said], they [all] left, one at a time, beginning with the oldest men. So, Jesus was left alone with the woman [still standing] there where she was.
Acts 23:1
Paul [then] looked intently at the Council [i.e., the Jewish supreme court called the "Sanhedrin"] and spoke [in his defense]: "Brothers, I have lived before God with a good conscience all my life."
Acts 24:16
So, for this reason I make every effort to have a clear conscience before God and men at all times.
Romans 1:18-19
For God's extreme anger is being revealed from heaven against all the godlessness and wickedness of people who restrain the truth [from being known and obeyed] by their wickedness.
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],
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 5:11
Since we [apostles] know [what it means] to revere the Lord, we try to persuade people [i.e., to accept the Gospel, or to acknowledge our integrity]. But we are [already] known to God, and I hope that you also know us in your hearts [i.e., to have integrity].
1 Timothy 4:2
[Such teaching will be spread] by hypocritical liars, whose consciences have been seared over as with a hot iron [i.e., making them insensitive to their guilt].
Titus 1:15
Everything is pure [i.e., ceremonially acceptable] to the person who is pure [i.e., who has been cleansed by the blood of Christ], but to those who are [spiritually] corrupt, and do not believe [in Christ], nothing is pure, but both their minds and consciences are corrupted. [Note: This statement was intended to remove the physical restrictions imposed by the law of Moses].
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].