Hebrews 4:6

and they to whom the gospel was preached before,

Hebrews 3:18-19

Whose carcases fell in the wilderness? And to whom sware he, that they should not enter into his rest, but to them that believed not?

Matthew 21:43

Therefore I say to you, The kingdom of God shall be taken from you, and given to a nation bringing forth the fruits thereof.

Matthew 22:9-10

Go ye therefore into the highways, and invite whomsoever ye find to the wedding-banquet.

Luke 14:21-24

So the servant came, and shewed his lord these things. Then the master of the house, being angry, said to his servant, Go out quickly into the streets and lanes of the city, and bring in hither the poor, and the disabled, and the lame, and the blind.

Acts 13:46-47

Then Paul and Barnabas speaking boldly, said, It was necessary that the word of God should be spoken to you first; but seeing ye thrust it from you, and judge yourselves unworthy of eternal life, behold! we turn to the Gentiles.

Acts 28:28

Be it known therefore unto you, that the salvation of God is sent to the Gentiles, and they will hear.

1 Corinthians 7:29

But this I say, brethren, the time is short: it remaineth, that even they that have wives, be as if they had none: And they that weep, as if they wept not;

Galatians 3:8

And the scripture foreseeing that God would justify the Gentiles by faith, declared before the glad tidings to Abraham, In thee shall all the nations be blessed.

Hebrews 4:2

For unto us hath the gospel been preached as well as unto them; but the word heard did not profit them, not being mixt with faith in those that heard it.

Hebrews 4:9

There remaineth therefore a rest for the people of God.

Treasury of Scripture Knowledge

Summary

Seeing therefore it remaineth that some must enter therein, and they to whom it was first preached entered not in because of unbelief:

Entered

General references

Bible References

It remaineth

Hebrews 4:9
There remaineth therefore a rest for the people of God.
1 Corinthians 7:29
But this I say, brethren, the time is short: it remaineth, that even they that have wives, be as if they had none: And they that weep, as if they wept not;

Some

Matthew 21:43
Therefore I say to you, The kingdom of God shall be taken from you, and given to a nation bringing forth the fruits thereof.
Matthew 22:9
Go ye therefore into the highways, and invite whomsoever ye find to the wedding-banquet.
Luke 14:21
So the servant came, and shewed his lord these things. Then the master of the house, being angry, said to his servant, Go out quickly into the streets and lanes of the city, and bring in hither the poor, and the disabled, and the lame, and the blind.
Acts 13:46
Then Paul and Barnabas speaking boldly, said, It was necessary that the word of God should be spoken to you first; but seeing ye thrust it from you, and judge yourselves unworthy of eternal life, behold! we turn to the Gentiles.
Acts 28:28
Be it known therefore unto you, that the salvation of God is sent to the Gentiles, and they will hear.

They

Hebrews 4:2
For unto us hath the gospel been preached as well as unto them; but the word heard did not profit them, not being mixt with faith in those that heard it.
Hebrews 3:19
So we see, they could not enter in, because of unbelief.
Galatians 3:8
And the scripture foreseeing that God would justify the Gentiles by faith, declared before the glad tidings to Abraham, In thee shall all the nations be blessed.

Entered

Hebrews 3:18
Whose carcases fell in the wilderness? And to whom sware he, that they should not enter into his rest, but to them that believed not?

General references

Matthew 13:58
And he wrought not many mighty works there, because of their unbelief.