Revelation 7:14

And I said to him, My lord, thou know. And he said to me, These are those coming out of the great tribulation, and they washed their robes, and made them white 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 fellowship with each other, and the blood of Jesus Christ his Son cleanses us from every sin.

Zechariah 3:3-5

Now Joshua was clothed with filthy garments, and was standing before the [heavenly] agent.

Hebrews 9:14

how much more the blood of Christ, who, through the eternal Spirit, offered himself unblemished to God, will cleanse your conscience from dead works in order to serve a living God?

Isaiah 1:18

Come now, and let us reason together, says LORD, though your sins be as scarlet, they shall be as white as snow. Though they be red like crimson, they shall be as wool.

Revelation 1:5

and from Jesus Christ, the faithful witness, the firstborn of the dead, and the ruler of the kings of the earth. To him who loves us and washed us from our sins by his blood

Revelation 22:14

Blessed are those doing his commandments, so that their right will be to the tree of life, and they may enter in the gates into the city.

Exodus 37:3

And he cast four rings of gold for it, in the four feet of it, even two rings on the one side of it, and two rings on the other side of it.

Zechariah 13:1

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

Matthew 24:21

for then there will be great tribulation, such as not has happened from the beginning of the world until now, nor, no, it will not happen.

John 13:8-14

Peter says to him, Thou may, no, not wash my feet into the age. Jesus answered him, If I may not wash thee, thou have no part with me.

John 16:33

These things I have spoken to you, so that in me ye might have peace. In the world ye have tribulation. But cheer up, I have overcome the world.

Acts 14:22

strengthening the souls of the disciples, exhorting them to continue in the faith, and that it was necessary for us to enter into the kingdom of God through many tribulations.

Romans 5:3

And not only so, but we also take pride in our tribulations, knowing that tribulation produces perseverance,

1 Corinthians 6:11

And some of you were these things, but ye were washed, but ye were sanctified, but ye were made righteous in the name of the Lord Jesus, and in the Spirit of our God.

Ephesians 5:26-27

so that he might sanctify it, having cleansed it with the washing of water by the word,

2 Thessalonians 1:4

So as for us ourselves to have pride in you in the congregations of God, for your perseverance and faith in all your persecutions and in the tribulations that ye endure,

Hebrews 13:12

Therefore Jesus also, so that he might sanctify the people through his own blood, suffered outside the gate.

1 Peter 1:19

but by precious blood, as of a lamb unblemished and unspotted--of Christ,

Revelation 2:9

I know thy works and tribulation and poverty (but thou are rich), and the blasphemy of those who say themselves to be Jews, and are not, but are a synagogue of Satan.

Revelation 5:9

And they sing a new song, saying, Thou are worthy to take the book and to open the seals of it, because thou were killed and purchased us from God by thy blood, out of every tribe, and tongue, and people, and nation.

Revelation 6:9-11

And when he opened the fifth seal, I saw underneath the altar the souls of those who had been killed because of the word of God, and because of the testimony of the Lamb that they held.

Revelation 12:11

And they overcame him by the blood of the Lamb, and by the word of their testimony. And they loved not their life to the point of death.

Revelation 15:2

And I saw like a glassy sea mingled with fire, and those who were victorious over the beast and over its image and over the number of its name, standing on the glassy sea, having harps of God.

Revelation 17:6

And I saw the woman drunken from the blood of the sanctified, and from the blood of the witnesses of Jesus. And having seen her, I wondered with great amazement.

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 cast four rings of gold for it, in the four feet of it, even two rings on the one side of it, and two rings on the other side of it.

And have

Revelation 1:5
and from Jesus Christ, the faithful witness, the firstborn of the dead, and the ruler of the kings of the earth. To him who loves us and washed us from our sins by his blood
Isaiah 1:18
Come now, and let us reason together, says LORD, though your sins be as scarlet, they shall be as white as snow. Though they be red like crimson, they shall be as wool.
Zechariah 3:3
Now Joshua was clothed with filthy garments, and was standing before the [heavenly] agent.
Zechariah 13:1
In that day there shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for sin and for uncleanness.
John 13:8
Peter says to him, Thou may, no, not wash my feet into the age. Jesus answered him, If I may not wash thee, thou have no part with me.
1 Corinthians 6:11
And some of you were these things, but ye were washed, but ye were sanctified, but ye were made righteous in the name of the Lord Jesus, and in the Spirit of our God.
Ephesians 5:26
so that he might sanctify it, having cleansed it with the washing of water by the word,
Hebrews 9:14
how much more the blood of Christ, who, through the eternal Spirit, offered himself unblemished to God, will cleanse your conscience from dead works in order to serve a living God?
1 John 1:7
But if we walk in the light, as he is in the light, we have fellowship with each other, and the blood of Jesus Christ his Son cleanses us from every sin.

The blood

Revelation 5:9
And they sing a new song, saying, Thou are worthy to take the book and to open the seals of it, because thou were killed and purchased us from God by thy blood, out of every tribe, and tongue, and people, and nation.
Revelation 12:11
And they overcame him by the blood of the Lamb, and by the word of their testimony. And they loved not their life to the point of death.
Hebrews 13:12
Therefore Jesus also, so that he might sanctify the people through his own blood, suffered outside the gate.
1 Peter 1:19
but by precious blood, as of a lamb unblemished and unspotted--of Christ,

General references

Genesis 22:8
And Abraham said, God will provide himself the lamb for a burnt offering, my son. So they went both of them together.
Leviticus 15:5
And whoever touches his bed shall wash his clothes, and bathe himself in water, and be unclean until the evening.
Zechariah 3:3
Now Joshua was clothed with filthy garments, and was standing before the [heavenly] agent.
Matthew 5:4
Blessed are those who mourn, because they will be comforted.