2 Corinthians 1:12

For our boasting is this: the testimony of our conscience, that with pure motives and sincerity of God, not in fleshly wisdom but in the grace of God we conducted ourselves in the world, and more abundantly toward you.

2 Corinthians 2:17

For we are not, like so many, peddling the word of God. But as of sincerity, but as of God, in the sight of God, we speak in Christ.

1 Corinthians 2:13

And we speak of these things, not with words taught by human wisdom, but with those taught by the Spirit, comparing spiritual things with spiritual things.

Acts 23:1

Paul, looking steadfastly at the council, said, "Brothers, I have lived before God in all good conscience until this day."

Acts 24:16

Herein I also practice always having a conscience void of offense toward God and men.

2 Corinthians 4:2

But we have renounced the hidden things of shame, not walking in craftiness, nor handling the word of God deceitfully; but by the manifestation of the truth commending ourselves to every man's conscience in the sight of God.

Hebrews 13:18

Pray for us, for we are persuaded that we have a good conscience, desiring to live honorably in all things.

James 3:13-18

Who is wise and understanding among you? Let him show by his good conduct that his deeds are done in gentleness of wisdom.

Joshua 24:14

Now therefore fear the LORD, and serve him in sincerity and in truth. Put away the gods which your fathers served beyond the River, in Egypt; and serve the LORD.

Job 13:15

Behold, he will kill me. I have no hope. Nevertheless, I will maintain my ways before him.

Job 23:10-12

But he knows the way that I take. When he has tried me, I shall come forth like gold.

Job 27:5-6

Far be it from me that I should justify you. Until I die I will not put away my integrity from me.

Job 31:1-40

"I made a covenant with my eyes, how then should I look lustfully at a young woman?

Psalm 7:3-5

LORD, my God, if I have done this, if there is iniquity in my hands,

Psalm 44:17-21

All this has come on us, yet have we not forgotten you, Neither have we been false to your covenant.

Isaiah 38:3

and said, "Remember now, the LORD, I beg you, how I have walked before you in truth and with a perfect heart, and have done that which is good in your sight." Hezekiah wept bitterly.

Romans 9:1

I tell the truth in Christ. I am not lying, my conscience testifying with me in the Holy Spirit,

Romans 16:18-19

For those who are such do not serve our Lord Christ, but their own belly; and by their smooth and flattering speech, they deceive the hearts of the innocent.

1 Corinthians 2:4-5

My speech and my preaching were not in persuasive words of wisdom, but in demonstration of the Spirit and of power,

1 Corinthians 4:4

For I know nothing against myself. Yet I am not justified by this, but he who judges me is the Lord.

1 Corinthians 5:8

Therefore let us keep the feast, not with old yeast, neither with the yeast of malice and wickedness, but with the unleavened bread of sincerity and truth.

1 Corinthians 15:10

But by the grace of God I am what I am. His grace which was bestowed on me was not futile, but I worked more than all of them; yet not I, but the grace of God which was with me.

2 Corinthians 1:17

When I therefore was thus determined, did I show fickleness? Or the things that I purpose, do I purpose according to the flesh, that with me there should be the "Yes, yes" and the "No, no?"

2 Corinthians 8:8

I speak not by way of commandment, but as proving through the earnestness of others the sincerity also of your love.

2 Corinthians 10:2-4

But I implore you that when I am present I may not have to be bold with the confidence with which I intend on showing against some, who consider us to be walking according to the flesh.

2 Corinthians 11:3

But I am afraid that somehow, as the serpent deceived Eve in his craftiness, so your minds might be corrupted from a sincere and pure devotion to Christ.

2 Corinthians 12:15-19

I will most gladly spend and be spent for your souls. If I love you more abundantly, am I loved the less?

Galatians 6:4

But let each man test his own work, and then he will take pride in himself and not in his neighbor.

Ephesians 6:14

Stand therefore, having the utility belt of truth buckled around your waist, and having put on the breastplate of righteousness,

Philippians 1:10

so that you may approve the things that are excellent; that you may be sincere and without offense to the day of Christ;

1 Thessalonians 2:10

You are witnesses with God, how holy, righteously, and blamelessly we behaved ourselves toward you who believe.

1 Timothy 1:5

but the goal of this command is love, out of a pure heart and a good conscience and unfeigned faith;

1 Timothy 1:19-20

holding faith and a good conscience; which some having thrust away made a shipwreck concerning the faith;

Titus 2:7

in all things showing yourself an example of good works. In your teaching show integrity, seriousness,

James 4:6

But He gives more grace. Therefore it says, "God resists the proud, but gives grace to the humble."

1 Peter 3:16

having a good conscience; so that when they speak evil against you, they may be put to shame who slander your good manner of life in Christ.

1 Peter 3:21

This is a symbol of baptism, which now saves you?not the putting away of the filth of the flesh, but an appeal to God for a good conscience, through the resurrection of Jesus Christ,

1 John 3:19-22

And by this we will know that we are of the truth, and persuade our heart before him,

Treasury of Scripture Knowledge

Summary

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 conversation in the world, and more abundantly to you-ward.

Bible References

Our rejoicing

Job 13:15
Behold, he will kill me. I have no hope. Nevertheless, I will maintain my ways before him.
Job 23:10
But he knows the way that I take. When he has tried me, I shall come forth like gold.
Job 27:5
Far be it from me that I should justify you. Until I die I will not put away my integrity from me.
Psalm 7:3
LORD, my God, if I have done this, if there is iniquity in my hands,
Psalm 44:17
All this has come on us, yet have we not forgotten you, Neither have we been false to your covenant.
Isaiah 38:3
and said, "Remember now, the LORD, I beg you, how I have walked before you in truth and with a perfect heart, and have done that which is good in your sight." Hezekiah wept bitterly.
Acts 24:16
Herein I also practice always having a conscience void of offense toward God and men.
Romans 9:1
I tell the truth in Christ. I am not lying, my conscience testifying with me in the Holy Spirit,
1 Corinthians 4:4
For I know nothing against myself. Yet I am not justified by this, but he who judges me is the Lord.
Galatians 6:4
But let each man test his own work, and then he will take pride in himself and not in his neighbor.
1 Timothy 1:5
but the goal of this command is love, out of a pure heart and a good conscience and unfeigned faith;
Hebrews 13:18
Pray for us, for we are persuaded that we have a good conscience, desiring to live honorably in all things.
1 Peter 3:16
having a good conscience; so that when they speak evil against you, they may be put to shame who slander your good manner of life in Christ.
1 John 3:19
And by this we will know that we are of the truth, and persuade our heart before him,

Simplicity

2 Corinthians 11:3
But I am afraid that somehow, as the serpent deceived Eve in his craftiness, so your minds might be corrupted from a sincere and pure devotion to Christ.
Romans 16:18
For those who are such do not serve our Lord Christ, but their own belly; and by their smooth and flattering speech, they deceive the hearts of the innocent.

General references

Acts 24:16
Herein I also practice always having a conscience void of offense toward God and men.
2 Corinthians 6:3
We give no occasion of stumbling in anything, that our service may not be blamed,
1 John 3:21
Beloved, if our hearts do not condemn us, we have confidence before God;