Hebrews 9:23

For this cause it was necessary to make the copies of the things in heaven clean with these offerings; but the things themselves are made clean with better offerings than these.

Hebrews 8:5

Being servants of that which is a copy and an image of the things in heaven, as Moses, when he was about to make the Tent, had special orders from God: for, See, he said, that you make everything like the design which you saw in the mountain.

Hebrews 9:24

For Christ did not go into a holy place which had been made by men's hands as the copy of the true one; but he went into heaven itself, and now takes his place before the face of God for us.

Luke 24:26

Was it not necessary for the Christ to go through these things, and to come into his glory?

Luke 24:46

And he said to them, So it is in the Writings that the Christ would undergo death, and come back to life again on the third day;

John 14:3

And if I go and make ready a place for you, I will come back again and will take you to be with me, so that you may be where I am.

Colossians 2:17

For these are an image of the things which are to come; but the body is Christ's.

Hebrews 9:9-12

And this is an image of the present time; when the offerings which are given are not able to make the heart of the worshipper completely clean,

Hebrews 9:14

How much more will the blood of Christ, who, being without sin, made an offering of himself to God through the Holy Spirit, make your hearts clean from dead works to be servants of the living God?

Hebrews 10:1

For the law, being only a poor copy of the future good things, and not the true image of those things, is never able to make the people who come to the altar every year with the same offerings completely clean.

Hebrews 10:4

Because it is not possible for the blood of oxen and goats to take away sins.

Hebrews 10:10-17

By that pleasure we have been made holy, by the offering of the body of Jesus Christ once and for ever.

1 Peter 1:19-21

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

Revelation 5:9

And their voices are sounding in a new song, saying, It is right for you to take the book and to make it open: for you were put to death and have made an offering to God of your blood for men of every tribe, and language, and people, and nation,

Treasury of Scripture Knowledge

Summary

It was therefore necessary that the patterns of things in the heavens should be purified with these; but the heavenly things themselves with better sacrifices than these.

Bible References

The patterns

Hebrews 9:9
And this is an image of the present time; when the offerings which are given are not able to make the heart of the worshipper completely clean,
Hebrews 8:5
Being servants of that which is a copy and an image of the things in heaven, as Moses, when he was about to make the Tent, had special orders from God: for, See, he said, that you make everything like the design which you saw in the mountain.
Hebrews 10:1
For the law, being only a poor copy of the future good things, and not the true image of those things, is never able to make the people who come to the altar every year with the same offerings completely clean.
Colossians 2:17
For these are an image of the things which are to come; but the body is Christ's.

The heavenly

Hebrews 9:11
But now Christ has come as the high priest of the good things of the future, through this greater and better Tent, not made with hands, that is to say, not of this world,
Hebrews 10:4
Because it is not possible for the blood of oxen and goats to take away sins.
Luke 24:26
Was it not necessary for the Christ to go through these things, and to come into his glory?
John 14:3
And if I go and make ready a place for you, I will come back again and will take you to be with me, so that you may be where I am.
1 Peter 1:19
But through holy blood, like that of a clean and unmarked lamb, even the blood of Christ:
Revelation 5:9
And their voices are sounding in a new song, saying, It is right for you to take the book and to make it open: for you were put to death and have made an offering to God of your blood for men of every tribe, and language, and people, and nation,

General references

Leviticus 9:9
And the sons of Aaron gave him the blood and he put his finger in the blood and put it on the horns of the altar, draining out the blood at the base of the altar;
Leviticus 16:18
And he is to go out to the altar which is before the Lord and make it free from sin; and he is to take some of the blood of the ox and the blood of the goat and put it on the horns of the altar and round it;
Numbers 19:6
Then let the priest take cedar-wood and hyssop and red thread, and put them into the fire where the cow is burning.
Deuteronomy 5:2
The Lord our God made an agreement with us in Horeb.
Luke 24:26
Was it not necessary for the Christ to go through these things, and to come into his glory?

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