1 John 1:9

If we confess our sins, he is faithful and just, so that he will forgive us our sins, and cleanse us from all unrighteousness.

1 John 1:7

But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanses us from all sin.

Titus 2:14

who gave himself for us, that he might redeem us from all iniquity, and purify for himself a peculiar people, zealous of good works.

Romans 3:26

in order to manifest his righteousness at the present time, that he might be just, while he justifies him who believes in Jesus.

1 Corinthians 6:11

And such were some of you: but you are washed, but you are sanctified, but you are justified, in the name of the Lord Jesus, and by the Spirit of our God.

Matthew 3:6

and were immersed by him in the Jordan, confessing their sins.

Mark 1:5

And all the country of Judea and the inhabitants of Jerusalem went out to him, and were all immersed by him in the river Jordan, con fessing their sins.

Acts 19:18

And many of those who believed came and confessed, and made known their practices.

1 Corinthians 1:9

God is faithful, by whom you have been called into the fellowship of his Son Jesus Christ our Lord.

Ephesians 5:26

that he might sanctify it, having cleansed it by the bath of water through the word,

1 Timothy 1:15

Assuredly true and worthy of all acceptation is this saying: that Christ Jesus came into the world to save sinners, of whom I am chief.

Hebrews 6:10

For God is not unjust, that he should forget your work, and the love which you have shown for his name by having ministered to the saints, and by continuing to minister.

Hebrews 10:23

let us hold fast the unwavering confession of our hope, for he is faithful who has promised;

Hebrews 11:11

By faith also Sarah herself received strength for the conception of seed, and brought forth a child when past the time of life, because she counted him faithful who had promised.

Revelation 15:3

And they sung the song of Moses the servant of God, and the song of the Lamb, saying: Great and wonderful are thy works, Lord God Almighty; just and true are thy ways, thou King of saints.

Treasury of Scripture Knowledge

Summary

If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.

General references

Bible References

We confess

Matthew 3:6
and were immersed by him in the Jordan, confessing their sins.
Mark 1:5
And all the country of Judea and the inhabitants of Jerusalem went out to him, and were all immersed by him in the river Jordan, con fessing their sins.
Acts 19:18
And many of those who believed came and confessed, and made known their practices.

He is

1 Corinthians 1:9
God is faithful, by whom you have been called into the fellowship of his Son Jesus Christ our Lord.
1 Timothy 1:15
Assuredly true and worthy of all acceptation is this saying: that Christ Jesus came into the world to save sinners, of whom I am chief.
Hebrews 10:23
let us hold fast the unwavering confession of our hope, for he is faithful who has promised;
Hebrews 11:11
By faith also Sarah herself received strength for the conception of seed, and brought forth a child when past the time of life, because she counted him faithful who had promised.

Just

Romans 3:26
in order to manifest his righteousness at the present time, that he might be just, while he justifies him who believes in Jesus.
Hebrews 6:10
For God is not unjust, that he should forget your work, and the love which you have shown for his name by having ministered to the saints, and by continuing to minister.
Revelation 15:3
And they sung the song of Moses the servant of God, and the song of the Lamb, saying: Great and wonderful are thy works, Lord God Almighty; just and true are thy ways, thou King of saints.

And to

1 John 1:7
But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanses us from all sin.
1 Corinthians 6:11
And such were some of you: but you are washed, but you are sanctified, but you are justified, in the name of the Lord Jesus, and by the Spirit of our God.
Ephesians 5:26
that he might sanctify it, having cleansed it by the bath of water through the word,
Titus 2:14
who gave himself for us, that he might redeem us from all iniquity, and purify for himself a peculiar people, zealous of good works.

General references

1 Corinthians 11:31
For if we would judge ourselves, we should not be judged;
Hebrews 8:12
because I will be merciful to their unrighteousness, and their sins and their iniquities I will remember no more.