Jude 1:5

But I wish to remind you as once knowing it all, that the Lord, having saved the people out of the land of Egypt, afterward destroyed those who believed not;

2 Peter 3:1

This second letter, beloved, I now write to you, in both which I stir up your pure minds by putting you in remembrance;

Romans 15:15

But I have written to you, brethren, in a manner somewhat bold on some subjects, as putting you in mind, on account of the grace given me by God

1 Corinthians 10:1-12

For I would not have you ignorant, brethren, that all our fathers were under the cloud, and all passed through the sea,

Hebrews 3:16-2

who then, when they had heard, provoked? Was it not all who came out of Egypt by means of Moses?

2 Peter 1:12-13

Wherefore I shall be careful always to remind you of these things, though ye know them, and are established in the truth that is 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 would not have you ignorant, brethren, that all our fathers were under the cloud, and all passed through the sea,

Afterward

Hebrews 3:16
who then, when they had heard, provoked? Was it not all who came out of Egypt by means of Moses?
Hebrews 4:1
Let us then fear, since a promise is still left us of entering into his rest, lest any one of you should appear to fail of obtaining it.

General references

Matthew 25:2
And five of them were foolish, and five wise.
1 Corinthians 10:5
but 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 after Satan.
Hebrews 3:19
So then we see that they could not enter in because of unbelief.