Hebrews 10:1

For the Law, since it has only a shadow of the good things to come and not the very form of things, can never, by the same sacrifices which they offer continually year by year, make perfect those who draw near.

Hebrews 8:5

who serve a copy and shadow of the heavenly things, just as Moses was warned by God when he was about to erect the tabernacle; for, “See,” He says, “that you make all things according to the pattern which was shown you on the mountain.”

Hebrews 9:11

But when Christ appeared as a high priest of the good things to come, He entered through the greater and more perfect tabernacle, not made with hands, that is to say, not of this creation;

Colossians 2:17

things which are a mere shadow of what is to come; but the substance belongs to Christ.

Hebrews 9:23

Therefore it was necessary for the copies of the things in the heavens to be cleansed with these, but the heavenly things themselves with better sacrifices than these.

Hebrews 7:18-19

For, on the one hand, there is a setting aside of a former commandment because of its weakness and uselessness

Hebrews 9:8-9

The Holy Spirit is signifying this, that the way into the holy place has not yet been disclosed while the outer tabernacle is still standing,

Hebrews 9:25

nor was it that He would offer Himself often, as the high priest enters the holy place year by year with blood that is not his own.

Hebrews 10:3-4

But in those sacrifices there is a reminder of sins year by year.

Hebrews 10:11-18

Every priest stands daily ministering and offering time after time the same sacrifices, which can never take away sins;

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
who serve a copy and shadow of the heavenly things, just as Moses was warned by God when he was about to erect the tabernacle; for, “See,” He says, “that you make all things according to the pattern which was shown you on the mountain.”
Hebrews 9:9
which is a symbol for the present time. Accordingly both gifts and sacrifices are offered which cannot make the worshiper perfect in conscience,
Colossians 2:17
things which are a mere shadow of what is to come; but the substance belongs to Christ.

With

Hebrews 10:3
But in those sacrifices there is a reminder of sins year by year.
Hebrews 7:18
For, on the one hand, there is a setting aside of a former commandment because of its weakness and uselessness
Hebrews 9:8
The Holy Spirit is signifying this, that the way into the holy place has not yet been disclosed while the outer tabernacle is still standing,

Perfect

Hebrews 10:14
For by one offering He has perfected for all time those who are sanctified.

General references

Exodus 40:26
Then he placed the gold altar 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.