Jude 1:5

Now I want to remind you of what you are perfectly aware, that though the Lord once brought the People safe out of Egypt, he subsequently destroyed the unbelieving,

2 Peter 3:1

This is the second letter I have already written to you, beloved, stirring up your pure mind by way of reminder,

Romans 15:15

Still, by way of refreshing your memory, I have written you with a certain freedom, in virtue of my divine commission

1 Corinthians 10:1-12

For I would have you know this, my brothers, that while our fathers all lived under the cloud, all crossed through the sea,

Hebrews 3:16-2

Who heard and yet provoked him? Was it not all who left Egypt under the leadership of Moses?

2 Peter 1:12-13

Hence I mean to keep on reminding you of this, although you are aware of it and are fixed in the Truth as it is;

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 would have you know this, my brothers, that while our fathers all lived under the cloud, all crossed through the sea,

Afterward

Hebrews 3:16
Who heard and yet provoked him? Was it not all who left Egypt under the leadership of Moses?
Hebrews 4:1
Well then, as the promise of entrance into his Rest is still left to us, let us be afraid of anyone being judged to have missed it.

General references

Matthew 25:2
Five of them were stupid and five were sensible.
1 Corinthians 10:5
still with most of them God was not satisfied; they were laid low in the desert.
1 Timothy 5:15
As it is, some widows have already turned after Satan. ??16 Any believer, man or woman, who has widowed relatives, must give them relief; the church is not to be burdened with them; she has to relieve the widows who really need relief.
Hebrews 3:19
Thus we see it was owing to unbelief that they could not enter.