Jude 1:5

But I wish to remind you, though you once knew this, that the Lord, having saved the people from the land of Egypt, then destroyed those who believed not.

2 Peter 3:1

This second letter I now write to you, beloved; in both of these I arouse your pure mind to remembrance,

Romans 15:15

Yet I have written to you more boldly in part, my brethren, as if I would put you in remembrance, on account of the grace which is given to me by God,

1 Corinthians 10:1-12

Now, brethren, I do not wish you to be ignorant, that all our fathers were under the cloud, and that all passed through the sea,

Hebrews 3:16-2

For some, when they had heard, did bitterly provoke; yet, not all that came out of Egypt by Moses.

2 Peter 1:12-13

Wherefore, I will not neglect to remind you always of these things, though you know them, and are established in the present truth.

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
Now, brethren, I do not wish you to be ignorant, that all our fathers were under the cloud, and that all passed through the sea,

Afterward

Hebrews 3:16
For some, when they had heard, did bitterly provoke; yet, not all that came out of Egypt by Moses.
Hebrews 4:1
Let us fear, therefore, lest, as a promise of entering into his rest still remains, any of you should seem to come short of it.

General references

Matthew 25:2
Five of them were wise, and five were foolish.
1 Corinthians 10:5
But with the most of them God was not well pleased, for they were overthrown in the wilderness.
1 Timothy 5:15
For some have already turned aside after Satan.
Hebrews 3:19
And so we see that they could not enter in because of unbelief.