Hebrews 9:23

Therefore it was necessary for the [earthly] copies of the heavenly things to be cleansed with these, but the heavenly things themselves required far better sacrifices than these.

Hebrews 8:5

They serve as a pattern and foreshadowing of [what has its true existence and reality in] the heavenly things (sanctuary). For when Moses was about to erect the tabernacle, he was warned by God, saying, “See that you make it all [exactly] according to the pattern which was shown to you on the mountain.”

Hebrews 9:24

For Christ did not enter into a holy place made with hands, a mere copy of the true one, but [He entered] into heaven itself, now to appear in the very presence of God on our behalf;

Luke 24:26

Was it not necessary for the Christ to suffer these things and [only then to] enter His glory?”

Luke 24:46

and said, “And so it is written, that the Christ (the Messiah, the Anointed) would suffer and rise from the dead on the third day,

John 14:3

And if I go and prepare a place for you, I will come back again and I will take you to Myself, so that where I am you may be also.

Colossians 2:17

Such things are only a shadow of what is to come and they have only symbolic value; but the substance [the reality of what is foreshadowed] belongs to Christ.

Hebrews 9:9-12

for this [first or outer tabernacle] is a symbol [that is, an archetype or paradigm] for the present time. Accordingly both gifts and sacrifices are offered which are incapable of perfecting the conscience and renewing the [inner self of the] worshiper.

Hebrews 9:14

how much more will the blood of Christ, who through the eternal [Holy] Spirit willingly offered Himself unblemished [that is, without moral or spiritual imperfection as a sacrifice] to God, cleanse your conscience from dead works and lifeless observances to serve the ever living God?

Hebrews 10:1

For since the Law has only a shadow [just a pale representation] of the good things to come—not the very image of those things—it can never, by offering the same sacrifices continually year after year, make perfect those who approach [its altars].

Hebrews 10:4

for it is impossible for the blood of bulls and goats to take away sins.

Hebrews 10:10-17

And in accordance with this will [of God] we [who believe in the message of salvation] have been sanctified [that is, set apart as holy for God and His purposes] through the offering of the body of Jesus Christ (the Messiah, the Anointed) once for all.

1 Peter 1:19-21

but [you were actually purchased] with precious blood, like that of a [sacrificial] lamb unblemished and spotless, the priceless blood of Christ.

Revelation 5:9

And they sang a new song [of glorious redemption], saying,

“Worthy and deserving are You to take the scroll and to break its seals; for You were slain (sacrificed), and with Your blood You purchased people for God from 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
for this [first or outer tabernacle] is a symbol [that is, an archetype or paradigm] for the present time. Accordingly both gifts and sacrifices are offered which are incapable of perfecting the conscience and renewing the [inner self of the] worshiper.
Hebrews 8:5
They serve as a pattern and foreshadowing of [what has its true existence and reality in] the heavenly things (sanctuary). For when Moses was about to erect the tabernacle, he was warned by God, saying, “See that you make it all [exactly] according to the pattern which was shown to you on the mountain.”
Hebrews 10:1
For since the Law has only a shadow [just a pale representation] of the good things to come—not the very image of those things—it can never, by offering the same sacrifices continually year after year, make perfect those who approach [its altars].
Colossians 2:17
Such things are only a shadow of what is to come and they have only symbolic value; but the substance [the reality of what is foreshadowed] belongs to Christ.

The heavenly

Hebrews 9:11
But when Christ appeared as a High Priest of the good things to come [that is, true spiritual worship], He entered through the greater and more perfect tabernacle, not made with hands, that is to say, not a part of this [material] creation.
Hebrews 10:4
for it is impossible for the blood of bulls and goats to take away sins.
Luke 24:26
Was it not necessary for the Christ to suffer these things and [only then to] enter His glory?”
John 14:3
And if I go and prepare a place for you, I will come back again and I will take you to Myself, so that where I am you may be also.
1 Peter 1:19
but [you were actually purchased] with precious blood, like that of a [sacrificial] lamb unblemished and spotless, the priceless blood of Christ.
Revelation 5:9
And they sang a new song [of glorious redemption], saying,

“Worthy and deserving are You to take the scroll and to break its seals; for You were slain (sacrificed), and with Your blood You purchased people for God from every tribe and language and people and nation.

General references

Leviticus 9:9
The sons of Aaron presented the blood to him; he dipped his finger in the blood and put some of it on the horns of the altar, and poured out the rest of the blood at the altar’s base;
Leviticus 16:18
Then he shall go out to the altar [of burnt offering in the court] which is before the Lord and make atonement for it, and shall take some of the blood of the bull and of the goat and put it on the horns of the altar on all sides.
Numbers 19:6
The priest shall take cedar wood and hyssop and scarlet [material] and cast them into the midst of the burning heifer.
Deuteronomy 5:2
The Lord our God made a covenant with us at Horeb.
Luke 24:26
Was it not necessary for the Christ to suffer these things and [only then to] enter His glory?”