Zechariah 13:1

In that day there will be a fountain open to the family of David and to the people of Jerusalem, for sin and for that which is unclean.

Psalm 51:2

Let all my wrongdoing be washed away, and make me clean from evil.

Ezekiel 36:25

And I will put clean water on you so that you may be clean: from all your unclean ways and from all your images I will make you clean.

Psalm 51:7

Make me free from sin with hyssop: let me be washed whiter than snow.

Isaiah 1:16-18

Be washed, make yourselves clean; put away the evil of your doings from before my eyes; let there be an end of sinning;

Zechariah 12:3

And it will come about in that day that I will make Jerusalem a stone of great weight for all the peoples; all those who take it up will be badly wounded; and all the nations of the earth will come together against it.

John 1:29

The day after, John sees Jesus coming to him and says, See, here is the Lamb of God who takes away the sin of the world!

Leviticus 15:2-33

Say to the children of Israel: If a man has an unclean flow from his flesh, it will make him unclean.

Numbers 19:9-22

Then let a man who is clean take the dust of the burned cow and put it outside the tent-circle in a clean place, where it is to be kept for the children of Israel and used in making the water which takes away what is unclean: it is a sin-offering.

Job 9:30-31

If I am washed with snow water, and make my hands clean with soap;

Jeremiah 17:13

O Lord, the hope of Israel, all who give you up will be put to shame; those who go away from you will be cut off from the earth, because they have given up the Lord, the fountain of living waters.

Ezekiel 36:17

Son of man, when the children of Israel were living in their land, they made it unclean by their way and their acts: their way before me was as when a woman is unclean at the time when she is kept separate.

Ezekiel 36:29

And I will make you free from all your unclean ways: and at my voice the grain will come up and be increased, and I will not let you be short of food.

Zechariah 12:7-8

And the Lord will give salvation to the tents of Judah first, so that the glory of the family of David and the glory of the people of Jerusalem may not be greater than that of Judah.

Zechariah 12:10-11

And I will send down on the family of David and on the people of Jerusalem the spirit of grace and of prayer; and their eyes will be turned to the one who was wounded by their hands: and they will be weeping for him as for an only son, and their grief for him will be bitter, like the grief of one sorrowing for his oldest son.

John 19:34-35

But one of the men made a wound in his side with a spear, and straight away there came out blood and water.

1 Corinthians 6:11

And such were some of you; but you have been washed, you have been made holy, you have been given righteousness in the name of the Lord Jesus Christ and in the Spirit of our God.

Ephesians 5:25-27

Husbands, have love for your wives, even as Christ had love for the church, and gave himself for it;

Titus 3:5-7

Not by works of righteousness which we did ourselves, but in the measure of his mercy, he gave us salvation, through the washing of the new birth and the giving of new life in the Holy Spirit,

Hebrews 9:13-14

For if the blood of goats and oxen, and the dust from the burning of a young cow, being put on the unclean, make the flesh clean:

1 Peter 1:19

But through holy blood, like that of a clean and unmarked lamb, even the blood of Christ:

1 John 1:7

But if we are walking in the light, as he is in the light, we are all united with one another, and the blood of Jesus his Son makes us clean from all sin.

1 John 5:6

This is he who came by water and by blood, Jesus Christ; not by water only but by water and by blood.

Revelation 1:5-6

And from Jesus Christ, the true witness, the first to come back from the dead, and the ruler of the kings of the earth. To him who had love for us and has made us clean from our sins by his blood;

Revelation 7:13-14

And one of the rulers made answer, saying to me, These who have on white robes, who are they, and where did they come from?

Treasury of Scripture Knowledge

Summary

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.

The house

Bible References

The house

Zechariah 12:7
And the Lord will give salvation to the tents of Judah first, so that the glory of the family of David and the glory of the people of Jerusalem may not be greater than that of Judah.

Uncleanness

Leviticus 15:2
Say to the children of Israel: If a man has an unclean flow from his flesh, it will make him unclean.
Numbers 19:9
Then let a man who is clean take the dust of the burned cow and put it outside the tent-circle in a clean place, where it is to be kept for the children of Israel and used in making the water which takes away what is unclean: it is a sin-offering.
Ezekiel 36:17
Son of man, when the children of Israel were living in their land, they made it unclean by their way and their acts: their way before me was as when a woman is unclean at the time when she is kept separate.

General references

Exodus 40:7
And let the washing-vessel, with water in it, be put between the Tent of meeting and the altar.
Leviticus 15:27
And anyone touching these things will be unclean, and his clothing will have to be washed and his body bathed in water and he will be unclean till evening.
Leviticus 16:19
Shaking drops of the blood from his finger on it seven times to make it holy and clean from whatever is unclean among the children of Israel.
Jeremiah 33:8
And I will make them clean from all their sin, with which they have been sinning against me; I will have forgiveness for all their sins, with which they have been sinning against me, and with which they have done evil against me.
Matthew 5:4
Happy are those who are sad: for they will be comforted.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain