Hebrews 11:40

God having reserved something better for us, that they might not be made perfect apart from us.

Revelation 6:11

And a white robe was given to each of them; and it was said to them, that they should wait a little while, until their fellow-servants and brethren, who are about to be slain as they were should be fulfilled.

Romans 3:25-26

whom God sent forth an expiation through faith in his blood, unto the manifestation of His righteousness through the remission of the sins which are passed,

Hebrews 5:9

and having been made perfect, he became the author of eternal salvation to all those who obey him;

Hebrews 7:19

for the law made nothing perfect, but the bringing in of a better hope, by which we draw nigh unto God.

Hebrews 7:22

insomuch that Jesus has also been made the mediator of a better covenant.

Hebrews 8:6

but now he has obtained a more excellent ministry, insomuch that he is also the mediator of a better covenant, which has been founded on better promises.

Hebrews 9:8-15

the Holy Spirit showing this, the way of the holies has not yet been made manifest, the first tabernacle yet standing:

Hebrews 9:23

Therefore it is necessary that the pattern of the things in these heavens be purified; and the heavenly things themselves with greater sacrifices than these.

Hebrews 10:11-14

And every high priest indeed stands daily ministering, and frequently offering the same sacrifices, which are never able to take away sins:

Hebrews 12:23-24

to the whole company, and to the church of the first-born, who have been written in the heavens, and to God the Judge of all, and to the spirits of justified people who have been made perfect,

Treasury of Scripture Knowledge

Summary

God having provided some better thing for us, that they without us should not be made perfect.

Bible References

Better

Hebrews 7:19
for the law made nothing perfect, but the bringing in of a better hope, by which we draw nigh unto God.
Hebrews 8:6
but now he has obtained a more excellent ministry, insomuch that he is also the mediator of a better covenant, which has been founded on better promises.
Hebrews 9:23
Therefore it is necessary that the pattern of the things in these heavens be purified; and the heavenly things themselves with greater sacrifices than these.
Hebrews 12:24
and to Jesus the mediator of the new covenant, and to the blood of sprinkling, speaking something better than the blood of Abel.

They without

Hebrews 9:8
the Holy Spirit showing this, the way of the holies has not yet been made manifest, the first tabernacle yet standing:
Hebrews 10:11
And every high priest indeed stands daily ministering, and frequently offering the same sacrifices, which are never able to take away sins:
Romans 3:25
whom God sent forth an expiation through faith in his blood, unto the manifestation of His righteousness through the remission of the sins which are passed,