Hebrews 3:18

To whom did he swear that they wouldn't enter into his rest, but to those who were disobedient?

Deuteronomy 1:34-35

Yahweh heard the voice of your words, and was angry, and swore, saying,

Numbers 14:11

Yahweh said to Moses, "How long will this people despise me? and how long will they not believe in me, for all the signs which I have worked among them?

Numbers 14:23

surely they shall not see the land which I swore to their fathers, neither shall any of those who despised me see it:

Numbers 14:30

surely you shall not come into the land, concerning which I swore that I would make you dwell therein, except Caleb the son of Jephunneh, and Joshua the son of Nun.

Numbers 20:12

Yahweh said to Moses and Aaron, "Because you didn't believe in me, to sanctify me in the eyes of the children of Israel, therefore you shall not bring this assembly into the land which I have given them."

Deuteronomy 1:26-32

Yet you wouldn't go up, but rebelled against the commandment of Yahweh your God:

Deuteronomy 9:23

When Yahweh sent you from Kadesh Barnea, saying, "Go up and possess the land which I have given you;" then you rebelled against the commandment of Yahweh your God, and you didn't believe him, nor listen to his voice.

Psalm 106:24-26

Yes, they despised the pleasant land. They didn't believe his word,

Hebrews 3:11

as I swore in my wrath, 'They will not enter into my rest.'"

Hebrews 4:2

For indeed we have had good news preached to us, even as they also did, but the word they heard didn't profit them, because it wasn't mixed with faith by those who heard.

Hebrews 4:6

Seeing therefore it remains that some should enter therein, and they to whom the good news was before preached failed to enter in because of disobedience,

Treasury of Scripture Knowledge

Summary

And to whom sware he that they should not enter into his rest, but to them that believed not?

Bible References

To whom

Hebrews 3:11
as I swore in my wrath, 'They will not enter into my rest.'"
Numbers 14:30
surely you shall not come into the land, concerning which I swore that I would make you dwell therein, except Caleb the son of Jephunneh, and Joshua the son of Nun.
Deuteronomy 1:34
Yahweh heard the voice of your words, and was angry, and swore, saying,

But

Numbers 14:11
Yahweh said to Moses, "How long will this people despise me? and how long will they not believe in me, for all the signs which I have worked among them?
Numbers 20:12
Yahweh said to Moses and Aaron, "Because you didn't believe in me, to sanctify me in the eyes of the children of Israel, therefore you shall not bring this assembly into the land which I have given them."
Deuteronomy 1:26
Yet you wouldn't go up, but rebelled against the commandment of Yahweh your God:
Deuteronomy 9:23
When Yahweh sent you from Kadesh Barnea, saying, "Go up and possess the land which I have given you;" then you rebelled against the commandment of Yahweh your God, and you didn't believe him, nor listen to his voice.
Psalm 106:24
Yes, they despised the pleasant land. They didn't believe his word,

General references

Deuteronomy 1:32
Yet in this thing you didn't believe Yahweh your God,
2 Kings 7:20
It happened like that to him; for the people trod on him in the gate, and he died.
Psalm 78:17
Yet they still went on to sin against him, to rebel against the Most High in the desert.
John 9:18
The Jews therefore did not believe concerning him, that he had been blind, and had received his sight, until they called the parents of him who had received his sight,