Revelation 7:14

And I said to him, Lord, thou knowest. And he said to me, These are they coming out of great pressure, and they washed their robes, and whitened their robes in the blood of the Lamb.

1 John 1:7

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

Zechariah 3:3-5

And Joshua was clothed in filthy garments, and he stood before the messenger.

Hebrews 9:14

How much more shall the blood of Christ, who by the eternal Spirit offered himself blameless to God, purify your consciousness from dead works to serve the living God?

Isaiah 1:18

Come now we will confute together Jehovah will say: if your sins shall be as deep scarlet, they shall be white as snow; if they shall be red as crimson, they shall be as wool.

Revelation 1:5

And from Jesus Christ, the faithful witness, the first born from the dead, and the chief of the kings of the earth. To him having loved us, and washed us from our sins in his blood,

Revelation 22:14

Happy they doing his commands, that their power shall be in the tree of life, and they might come in at the gates to the city.

Exodus 37:3

And he will cast for it four rings of gold over its four steps, and two rings upon its one rib, and two rings upon its second rib.

Zechariah 13:1

In that day shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for sin and for putting away.

Matthew 24:21

For then shall be great pressure, such as has not been from the beginning of the world till now, nor should be.

John 13:8-14

Peter says to him, Thou shouldest never wash my feet. Jesus answered him, Except I wash thee, thou hast no part with me.

John 16:33

These have I spoken to you, that in me ye might have peace. In the world shall ye have pressure; but take courage; I have conquered the world.

Acts 14:22

And supporting the souls of the disciples, beseeching to remain in the faith, that through many pressures we must come into the kingdom of God.

Romans 5:3

And not only, but also we boast in affliction: knowing that affliction works perseverance;

1 Corinthians 6:11

And these were some of you: but ye were washed, but ye were consecrated, but ye were justified in the name of the Lord Jesus, and in the Spirit of our God.

Ephesians 5:26-27

That he might consecrate it, having cleansed by the washing of water in the word,

2 Thessalonians 1:4

So that we ourselves boast in you in all the churches of God for your patience and faith in all your expulsions and pressures which ye endure:

Hebrews 13:12

Wherefore also Jesus, that he might consecrate the people by his own blood, suffered without the camp.

1 Peter 1:19

But with precious blood, as of a lamb blameless and spotless, of Christ:

Revelation 2:9

I know thy works, and pressure, and poverty, (but thou art rich) and the blasphemy of them saying themselves to be Jews, and are not, but the synagogue of the adversary.

Revelation 5:9

And they sing a new song, saying, Worthy art thou to take the book, and to open its seals: for thou wert slain, and didst purchase us to God by thy blood from every tribe, and tongue, and people, and nation;

Revelation 6:9-11

And when he opened the fifth seal, I saw under the altar the souls of the slain for the word of God, and for the testimony which they had:

Revelation 12:11

And they conquered him by the blood of the Lamb, and by the word of their testimony; and they loved not their souls till death.

Revelation 15:2

And I saw as a sea made of glass mingled with fire: and they conquering from the wild beast, and from his image, and from his stamp, and from the number of his name, standing upon the sea made of glass, having harps of God.

Revelation 17:6

And I saw the woman intoxicated from the blood of the holy, and from the blood of the witnesses of Jesus: and wondered, seeing her, with great wonder.

Treasury of Scripture Knowledge

Summary

And I said unto him, Sir, thou knowest. And he said to me, These are they which came out of great tribulation, and have washed their robes, and made them white in the blood of the Lamb.

Bible References

Thou

Exodus 37:3
And he will cast for it four rings of gold over its four steps, and two rings upon its one rib, and two rings upon its second rib.

And have

Revelation 1:5
And from Jesus Christ, the faithful witness, the first born from the dead, and the chief of the kings of the earth. To him having loved us, and washed us from our sins in his blood,
Isaiah 1:18
Come now we will confute together Jehovah will say: if your sins shall be as deep scarlet, they shall be white as snow; if they shall be red as crimson, they shall be as wool.
Zechariah 3:3
And Joshua was clothed in filthy garments, and he stood before the messenger.
Zechariah 13:1
In that day shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for sin and for putting away.
John 13:8
Peter says to him, Thou shouldest never wash my feet. Jesus answered him, Except I wash thee, thou hast no part with me.
1 Corinthians 6:11
And these were some of you: but ye were washed, but ye were consecrated, but ye were justified in the name of the Lord Jesus, and in the Spirit of our God.
Ephesians 5:26
That he might consecrate it, having cleansed by the washing of water in the word,
Hebrews 9:14
How much more shall the blood of Christ, who by the eternal Spirit offered himself blameless to God, purify your consciousness from dead works to serve the living God?
1 John 1:7
But if we walk in the light, as he is in the light, we have communion with one another, and the blood of Jesus Christ cleanses us from every sin.

The blood

Revelation 5:9
And they sing a new song, saying, Worthy art thou to take the book, and to open its seals: for thou wert slain, and didst purchase us to God by thy blood from every tribe, and tongue, and people, and nation;
Revelation 12:11
And they conquered him by the blood of the Lamb, and by the word of their testimony; and they loved not their souls till death.
Hebrews 13:12
Wherefore also Jesus, that he might consecrate the people by his own blood, suffered without the camp.
1 Peter 1:19
But with precious blood, as of a lamb blameless and spotless, of Christ:

General references

Genesis 22:8
And Abraham will say, God will see to himself the sheep for a burnt-offering my son: and they will go, they two together.
Leviticus 15:5
And a man who shall touch upon his bed, shall cleanse his garments and shall wash in water, and be unclean till evening.
Zechariah 3:3
And Joshua was clothed in filthy garments, and he stood before the messenger.
Matthew 5:4
Happy they suffering: for they shall be comforted.