1 John 1:7

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

Ephesians 1:7

It is through union with him and through his blood that we have been delivered and our offenses forgiven,

1 Timothy 6:16

who alone possesses immortality and dwells in unapproachable light, whom no man has ever seen or can see. To him be honor and eternal dominion. Amen.

Hebrews 9:14

how much more surely will the blood of the Christ, who with the eternal Spirit made himself an unblemished offering to God, purify our consciences from the old wrongdoing for the worship of the everliving God?

Revelation 1:5

and from Jesus Christ the trustworthy witness, the firstborn of the dead, and the sovereign of the kings of the earth. To him who loves us and has released us from our sins by his blood

1 Peter 1:19

but with precious blood, like that of an unblemished, spotless lamb, the blood of Christ,

Revelation 7:14

I said to him, "You know, my lord." He said to me, "They are the people who come through the great persecution, who have washed their robes white in the blood of the Lamb.

John 12:35

Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.

Romans 13:12

The night is nearly over; the day is at hand. So let us throw aside the deeds of darkness, and put on the armor of light.

1 Corinthians 6:11

Some of you used to be like that; but you have washed it all away, you have been consecrated, you have become upright, by the power of our Lord Jesus Christ and through the Spirit of our God.

Ephesians 5:8

For once you were sheer darkness, but now, as Christians, you are light itself. You must live like children of light,

James 1:17

Every good gift and every perfect present is from heaven, and comes down from the Father of the heavenly lights, about whom there is no variation of changing shadow.

1 John 1:5

This is the message that we heard from him and announce to you: God is light; there is no darkness in him at all.

1 John 2:1-2

My dear children, I am writing you this so that you may not sin; yet if anyone does sin, we have in Jesus Christ one who is upright and will intercede for us with the Father.

1 John 2:9-10

Whoever says, "I am in the light," and yet hates his brother, is still in darkness.

1 John 5:6

It was he, Jesus Christ himself, who came in water and in blood; not in water only, but in water and in blood. The Spirit also testifies to this, for the Spirit is truth.

1 John 5:8

the Spirit, the water, and the blood, and the three are at one.

2 John 1:4

It makes me exceedingly happy to find that some of your children are guided by truth, just as we have been commanded to be by the Father.

3 John 1:4

I know of no greater blessing than hearing that my children are being guided by the truth.

Revelation 12:11

They have conquered him because of the Lamb's blood, and the message to which they bore testimony, for they did not cling to life even in the face of death.

Treasury of Scripture Knowledge

Summary

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 cleanseth us from all sin.

General references

Bible References

If we

1 John 2:9
Whoever says, "I am in the light," and yet hates his brother, is still in darkness.
John 12:35
Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.
Romans 13:12
The night is nearly over; the day is at hand. So let us throw aside the deeds of darkness, and put on the armor of light.
Ephesians 5:8
For once you were sheer darkness, but now, as Christians, you are light itself. You must live like children of light,
2 John 1:4
It makes me exceedingly happy to find that some of your children are guided by truth, just as we have been commanded to be by the Father.
3 John 1:4
I know of no greater blessing than hearing that my children are being guided by the truth.

As

1 John 1:5
This is the message that we heard from him and announce to you: God is light; there is no darkness in him at all.
1 Timothy 6:16
who alone possesses immortality and dwells in unapproachable light, whom no man has ever seen or can see. To him be honor and eternal dominion. Amen.
James 1:17
Every good gift and every perfect present is from heaven, and comes down from the Father of the heavenly lights, about whom there is no variation of changing shadow.

And the

1 John 2:1
My dear children, I am writing you this so that you may not sin; yet if anyone does sin, we have in Jesus Christ one who is upright and will intercede for us with the Father.
1 John 5:6
It was he, Jesus Christ himself, who came in water and in blood; not in water only, but in water and in blood. The Spirit also testifies to this, for the Spirit is truth.
1 Corinthians 6:11
Some of you used to be like that; but you have washed it all away, you have been consecrated, you have become upright, by the power of our Lord Jesus Christ and through the Spirit of our God.
Ephesians 1:7
It is through union with him and through his blood that we have been delivered and our offenses forgiven,
Hebrews 9:14
how much more surely will the blood of the Christ, who with the eternal Spirit made himself an unblemished offering to God, purify our consciences from the old wrongdoing for the worship of the everliving God?
1 Peter 1:19
but with precious blood, like that of an unblemished, spotless lamb, the blood of Christ,
Revelation 1:5
and from Jesus Christ the trustworthy witness, the firstborn of the dead, and the sovereign of the kings of the earth. To him who loves us and has released us from our sins by his blood
Revelation 7:14
I said to him, "You know, my lord." He said to me, "They are the people who come through the great persecution, who have washed their robes white in the blood of the Lamb.

General references

Philippians 1:5
over your co-operation in the good news from the day you first received it until now.
Hebrews 8:12
For I will be merciful to their misdeeds, And I will no longer remember their sins.' "