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 2:17

For we are not as many, hawking the Word of God; but as of sincerity, but as of God, we speak in Christ in the sight of God.

1 Corinthians 2:13

These things we also speak, not in words which man's wisdom teaches, but which the Holy Spirit teaches, comparing spiritual things with spiritual.

Acts 23:1

And looking earnestly on the sanhedrin, Paul said, Men, brothers, I have lived in all good conscience before God until this day.

Acts 24:16

And in this I exercise myself, always to have a blameless conscience toward God and men.

2 Corinthians 4:2

But we have renounced the hidden things of shame, not walking in craftiness, nor adulterating the Word of God, but by the revelation of the truth commending ourselves to every man's conscience in the sight of God.

Hebrews 13:18

Pray for us; for we trust we have a good conscience, in all things willing to live honestly.

James 3:13-18

Who is wise and knowing among you? Let him show his works by his good conduct with meekness of wisdom.

Joshua 24:14

Now, then, fear Jehovah, and serve Him in sincerity and truth. And put away the gods which your fathers served on the other side of the flood, and in Egypt, and serve Jehovah.

Job 13:15

Though he slay me, I will not wait, but I will maintain my own ways before Him.

Job 23:10-12

But He knows the way that I take; when He has tried me, I shall come forth as gold.

Job 27:5-6

Far be it from me that I should justify you; until I die I will not retract my integrity from me.

Job 31:1-40

I made a covenant with my eyes; how then could I look upon a virgin?

Psalm 7:3-5

O Jehovah 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 we have not forgotten You nor dealt falsely in Your covenant.

Isaiah 38:3

and said, Remember now, O Jehovah, I beseech You, how I have walked before You in truth and with a whole heart, and have done the good in Your sight. And Hezekiah wept with a great weeping.

Romans 9:1

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

Romans 16:18-19

For they who are such do not serve our Lord Jesus Christ, but their own belly; and by good words and fair speeches they deceive the hearts of the simple.

1 Corinthians 2:4-5

And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of power,

1 Corinthians 4:4

for I know nothing by myself. Yet I have not been justified by this, but He who judges me is the Lord.

1 Corinthians 5:8

Therefore let us keep the feast; not with old leaven, nor with the leaven 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, and His grace which was toward me has not been without fruit, but I labored more abundantly than all of them; yet not I, but the grace of God with me.

2 Corinthians 1:17

Then purposing this, did I indeed use lightness? Or the things that I purpose, do I purpose them according to the flesh, so that with me there should be yes, yes, and no, no?

2 Corinthians 8:8

I do not speak according to command, but through the eagerness of others, and testing the trueness of your love.

2 Corinthians 10:2-4

But I ask, not being present, that I may be bold with the confidence which I think to be daring against some, who thought of us as walking according to flesh.

2 Corinthians 11:3

But I fear lest by any means, as the serpent beguiled Eve in his craftiness, so your thoughts should be corrupted from the simplicity due to Christ.

2 Corinthians 12:15-19

And I will very gladly spend and be spent for your souls, even if loving you more and more, I am loved the less.

Galatians 6:4

But let each one prove his own work, and then he alone will have a boast in himself, and not in another.

Ephesians 6:14

Therefore stand, having your loins girded about with truth, and having on the breastplate of righteousness

Philippians 1:10

that you may distinguish between things that differ, that you may be sincere and without offense until the day of Jesus Christ,

1 Thessalonians 2:10

You and God are witnesses how holily and justly and blamelessly we were to you who believe,

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 1:19-20

holding faith and a good conscience, which some have put away and made shipwreck as to faith.

Titus 2:7

In all things having shown yourself a pattern of good works: in the doctrine, purity, sensibleness, without corruption,

James 4:6

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

1 Peter 3:16

having a good conscience, that while they speak against you as evildoers they may be shamed, those falsely accusing your good behavior in Christ.

1 Peter 3:21

which figure now also saves us, baptism; not a putting away of the filth of the flesh, but the answer of a good conscience toward God, by the resurrection of Jesus Christ;

1 John 3:19-22

And in this we shall know that we are of the truth, and shall assure our hearts 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
Though he slay me, I will not wait, but I will maintain my own ways before Him.
Job 23:10
But He knows the way that I take; when He has tried me, I shall come forth as gold.
Job 27:5
Far be it from me that I should justify you; until I die I will not retract my integrity from me.
Psalm 7:3
O Jehovah my God, if I have done this; if there is iniquity in my hands;
Psalm 44:17
All this has come on us; yet we have not forgotten You nor dealt falsely in Your covenant.
Isaiah 38:3
and said, Remember now, O Jehovah, I beseech You, how I have walked before You in truth and with a whole heart, and have done the good in Your sight. And Hezekiah wept with a great weeping.
Acts 24:16
And in this I exercise myself, always to have a blameless conscience toward God and men.
Romans 9:1
I tell the truth in Christ, I do not lie, my conscience also bearing me witness in the Holy Spirit,
1 Corinthians 4:4
for I know nothing by myself. Yet I have not been justified by this, but He who judges me is the Lord.
Galatians 6:4
But let each one prove his own work, and then he alone will have a boast in himself, and not in another.
1 Timothy 1:5
But the end of the commandment is love out of a pure heart, and a good conscience, and faith unfeigned,
Hebrews 13:18
Pray for us; for we trust we have a good conscience, in all things willing to live honestly.
1 Peter 3:16
having a good conscience, that while they speak against you as evildoers they may be shamed, those falsely accusing your good behavior in Christ.
1 John 3:19
And in this we shall know that we are of the truth, and shall assure our hearts before Him,

Simplicity

2 Corinthians 11:3
But I fear lest by any means, as the serpent beguiled Eve in his craftiness, so your thoughts should be corrupted from the simplicity due to Christ.
Romans 16:18
For they who are such do not serve our Lord Jesus Christ, but their own belly; and by good words and fair speeches they deceive the hearts of the simple.

General references

Acts 24:16
And in this I exercise myself, always to have a blameless conscience toward God and men.
2 Corinthians 6:3
We are in nothing giving cause of stumbling, in no way, so that the ministry may not be blamed,
1 John 3:21
Beloved, if our heart does not accuse us, we have confidence toward God.