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 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 9:11

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.

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 9:23

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 7:18-19

For, on the one hand, a former commandment is cancelled because of its weakness and uselessness [because of its inability to justify the sinner before God]

Hebrews 9:8-9

By this the Holy Spirit signifies that the way into the Holy Place [the true Holy of Holies and the presence of God] has not yet been disclosed as long as the first or outer tabernacle is still standing [that is, as long as the Levitical system of worship remains a recognized institution],

Hebrews 9:25

nor did He [enter into the heavenly sanctuary to] offer Himself again and again, as the high priest enters the Holy Place every year with blood that is not his own.

Hebrews 10:3-4

But [as it is] these [continual] sacrifices bring a fresh reminder of sins [to be atoned for] year after year,

Hebrews 10:11-18

Every priest stands [at his altar of service] ministering daily, offering the same sacrifices over and over, which are never able to strip away sins [that envelop and cover us];

Treasury of Scripture Knowledge

Summary

For the law having a shadow of good things to come, and not the very image of the things, can never with those sacrifices which they offered year by year continually make the comers thereunto perfect.

Perfect

General references

Bible References

Having

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 9:9
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.
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.

With

Hebrews 10:3
But [as it is] these [continual] sacrifices bring a fresh reminder of sins [to be atoned for] year after year,
Hebrews 7:18
For, on the one hand, a former commandment is cancelled because of its weakness and uselessness [because of its inability to justify the sinner before God]
Hebrews 9:8
By this the Holy Spirit signifies that the way into the Holy Place [the true Holy of Holies and the presence of God] has not yet been disclosed as long as the first or outer tabernacle is still standing [that is, as long as the Levitical system of worship remains a recognized institution],

Perfect

Hebrews 10:14
For by the one offering He has perfected forever and completely cleansed those who are being sanctified [bringing each believer to spiritual completion and maturity].

General references

Exodus 40:26
He put the golden altar [of incense] in the Tent of Meeting in front of the veil;
Leviticus 16:30
for it is on this day that atonement shall be made for you, to cleanse you; you will be clean from all your sins before the Lord.