Jude 1:5

Now I desire to remind you, though you know all things once for all, that the Lord, after saving a people out of the land of Egypt, subsequently destroyed those who did not believe.

Psalm 106:26

Therefore He swore to them
That He would cast them down in the wilderness,

Numbers 26:64-65

But among these there was not a man of those who were numbered by Moses and Aaron the priest, who numbered the sons of Israel in the wilderness of Sinai.

2 Peter 3:1

This is now, beloved, the second letter I am writing to you in which I am stirring up your sincere mind by way of reminder,

Numbers 14:22-37

Surely all the men who have seen My glory and My signs which I performed in Egypt and in the wilderness, yet have put Me to the test these ten times and have not listened to My voice,

Deuteronomy 2:15-16

Moreover the hand of the Lord was against them, to destroy them from within the camp until they all perished.

Romans 15:15

But I have written very boldly to you on some points so as to remind you again, because of the grace that was given me from God,

1 Corinthians 10:1-12

For I do not want you to be unaware, brethren, that our fathers were all under the cloud and all passed through the sea;

Hebrews 3:16-2

For who provoked Him when they had heard? Indeed, did not all those who came out of Egypt led by Moses?

2 Peter 1:12-13

Therefore, I will always be ready to remind you of these things, even though you already know them, and have been established in the truth which is present with you.

Treasury of Scripture Knowledge

Summary

I will therefore put you in remembrance, though ye once knew this, how that the Lord, having saved the people out of the land of Egypt, afterward destroyed them that believed not.

Bible References

Having

1 Corinthians 10:1
For I do not want you to be unaware, brethren, that our fathers were all under the cloud and all passed through the sea;

Afterward

Numbers 14:22
Surely all the men who have seen My glory and My signs which I performed in Egypt and in the wilderness, yet have put Me to the test these ten times and have not listened to My voice,
Numbers 26:64
But among these there was not a man of those who were numbered by Moses and Aaron the priest, who numbered the sons of Israel in the wilderness of Sinai.
Deuteronomy 2:15
Moreover the hand of the Lord was against them, to destroy them from within the camp until they all perished.
Psalm 106:26
Therefore He swore to them
That He would cast them down in the wilderness,
Hebrews 3:16
For who provoked Him when they had heard? Indeed, did not all those who came out of Egypt led by Moses?
Hebrews 4:1
Therefore, let us fear if, while a promise remains of entering His rest, any one of you may seem to have come short of it.

General references

Deuteronomy 1:32
But for all this, you did not trust the Lord your God,
Joshua 22:20
Did not Achan the son of Zerah act unfaithfully in the things under the ban, and wrath fall on all the congregation of Israel? And that man did not perish alone in his iniquity.’”
Psalm 78:22
Because they did not believe in God
And did not trust in His salvation.
Matthew 25:2
Five of them were foolish, and five were prudent.
1 Corinthians 10:5
Nevertheless, with most of them God was not well-pleased; for they were laid low in the wilderness.
1 Timothy 5:15
for some have already turned aside to follow Satan.
Hebrews 3:19
So we see that they were not able to enter because of unbelief.