Jude 1:5

Now I want to remind you--but you already know it all--that, though the Lord delivered the People from Egypt, yet he afterwards destroyed those who refused to believe in him;

2 Peter 3:1

This, dear friends, is my second letter to you. In both of them I have tried, by appealing to your remembrance, to arouse your better feelings.

Romans 15:15

But in parts of this letter I have expressed myself somewhat boldly--by way of refreshing your memories--

1 Corinthians 10:1-12

I want you to bear in mind, Brothers, that all our ancestors were beneath the cloud, and all passed through the sea;

Hebrews 3:16-2

Who were they who heard God speak and yet provoked him? Were not they all those who left Egypt under the leadership of Moses?

2 Peter 1:12-13

I shall, therefore, always be ready to remind you of all this, even though you know it and are firmly established in the Truth that you now hold.

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
I want you to bear in mind, Brothers, that all our ancestors were beneath the cloud, and all passed through the sea;

Afterward

Hebrews 3:16
Who were they who heard God speak and yet provoked him? Were not they all those who left Egypt under the leadership of Moses?
Hebrews 4:1
We must, therefore, be very careful, though there is a promise still standing that we shall enter upon God's Rest, that none of you even appear to have missed it.

General references

Matthew 25:2
Five of them were foolish, and five were prudent.
1 Corinthians 10:5
Yet with most of them God was displeased; for they were 'struck down in the desert.'
1 Timothy 5:15
There are some who have already left us, to follow Satan.
Hebrews 3:19
We see, then, that they failed to enter upon it because of their want of faith.