Hebrews 11:40

because God had planned to give us something better [than they got], so that they would not be complete without us. [Note: The idea here is that these faithful people of Old Testament times did not receive the fullest of blessings until Christ came to make them available to both them and us together].

Revelation 6:11

And a white robe was given to each one of them, and they were told to rest a little while longer, until the [full] number of their fellow servants and their brothers would be killed like they were.

Romans 3:25-26

God presented Jesus as the atoning sacrifice [for our sins] through [our] faith in His blood [i.e., His death on the cross]. This was in order to demonstrate His justice when, by using forbearance, He passed over people's sins in previous generations.

Hebrews 5:9

and after becoming perfectly [qualified], He became the source of never ending salvation to all those who obey Him.

Hebrews 7:19

(since the law did not make anything [i.e., anyone] perfect), but on the other hand, there is the introduction of a better hope [which did bring perfection through Christ], by which we draw near to God.

Hebrews 7:22

So therefore, Jesus has become the guarantee of a better Agreement [between God and mankind].

Hebrews 8:6

But now Jesus has obtained a ministry that is as far superior [to that of the Levitical priesthood] as the [New] Agreement, of which He is the Mediator, is better [than the old one], because it has been enacted on better promises.

Hebrews 9:8-15

[By his doing this] the Holy Spirit signifies that the way into the Holy Place [Note: This actually refers to the Holy of Holies, and represents heaven] had not yet been disclosed [i.e., made accessible] while the first Tabernacle was still standing.

Hebrews 9:23

Therefore, it was necessary for the copies of the heavenly things [i.e., the Tabernacle, its furniture and utensils, etc.] to be [ceremonially] cleansed by these things [i.e., the blood of animal sacrifices], but the heavenly things themselves [i.e., the church, both on earth and in heaven] require better sacrifices than these [i.e., the sacrifice of Christ].

Hebrews 10:11-14

For every priest stands and performs his service day after day, offering over and over the same sacrifices which can never take away sins.

Hebrews 12:23-24

and to the church of the firstborn ones [i.e., those who have received an inheritance from their Father], whose names are recorded in heaven. [See Luke 10:20]. [You have come] to God, who is the Judge of all people, and to the spirits of righteous people who have become [morally] perfect [i.e., that great company of God's people who have gone on to their heavenly reward],

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
(since the law did not make anything [i.e., anyone] perfect), but on the other hand, there is the introduction of a better hope [which did bring perfection through Christ], by which we draw near to God.
Hebrews 8:6
But now Jesus has obtained a ministry that is as far superior [to that of the Levitical priesthood] as the [New] Agreement, of which He is the Mediator, is better [than the old one], because it has been enacted on better promises.
Hebrews 9:23
Therefore, it was necessary for the copies of the heavenly things [i.e., the Tabernacle, its furniture and utensils, etc.] to be [ceremonially] cleansed by these things [i.e., the blood of animal sacrifices], but the heavenly things themselves [i.e., the church, both on earth and in heaven] require better sacrifices than these [i.e., the sacrifice of Christ].
Hebrews 12:24
and to Jesus, the Mediator of a New Agreement [between God and mankind], and to the sprinkled blood [of Jesus], which says better things [to us] than [the blood of] Abel did. [Note: The contrast seems to be that "Abel's blood called for vengeance and death (See Gen. 4:10) whereas the blood of Christ provides mercy and life"].

They without

Hebrews 9:8
[By his doing this] the Holy Spirit signifies that the way into the Holy Place [Note: This actually refers to the Holy of Holies, and represents heaven] had not yet been disclosed [i.e., made accessible] while the first Tabernacle was still standing.
Hebrews 10:11
For every priest stands and performs his service day after day, offering over and over the same sacrifices which can never take away sins.
Romans 3:25
God presented Jesus as the atoning sacrifice [for our sins] through [our] faith in His blood [i.e., His death on the cross]. This was in order to demonstrate His justice when, by using forbearance, He passed over people's sins in previous generations.