Revelation 3:3

Remember therefore what you have received and heard; keep it, and repent. But if you will not wake up, I will come like a thief, and you will not know at what hour I will come upon you.

Revelation 2:5

Remember then from where you have fallen, repent and do the works you did at first. If not, I will come to you and remove your lampstand from its place, unless you repent.

2 Peter 3:10

But the day of the Lord will come like a thief, in which the heavens will pass away with a roar and the elements will be destroyed with fire, and the earth and the works that are in it will be burned up.

1 Thessalonians 5:2

For you yourselves know well that the day of the Lord will come like a thief in the night.

Revelation 16:15

("Behold, I am coming like a thief! Blessed is he who stays awake and keeps his clothes with him, so that he may not go naked and be shamefully exposed.")

Matthew 25:13

Therefore keep watch, for you know neither the day nor the hour.

2 Timothy 1:13

Follow the pattern of sound words which you have heard from me, in the faith and love which are in Christ Jesus.

Matthew 24:42-43

Watch therefore, for you do not know on what day your Lord is coming.

Mark 13:33

Take heed, watch; for you do not know when the time will come.

Mark 13:36

lest, coming suddenly, he find you sleeping.

Luke 12:39-40

But know this, that if the owner of the house had known at what hour the thief was coming, he would not have allowed his house to be broken into.

1 Thessalonians 5:4-6

But you, brethren, are not in darkness so that this day should surprise you like a thief.

1 Timothy 6:20

O Timothy, guard what has been entrusted to you. Avoid godless chatter and the opposing ideas of what is falsely called knowledge,

Hebrews 2:1

Therefore we must pay more careful attention to what we have heard, lest we drift away from it.

2 Peter 1:13

I think it right, as long as I am in this body, to stir you up by way of reminder,

2 Peter 3:1

This is now the second letter that I have written to you, beloved, and in both of them I have aroused your sincere mind by way of reminder;

Revelation 2:21-22

I gave her time to repent, but she refuses to repent of her immorality.

Revelation 2:25

only hold fast what you have until I come.

Revelation 3:11

I am coming soon; hold fast to what you have, so that no one may take your crown.

Revelation 3:19

Those whom I love, I rebuke and chasten. So be zealous and repent.

Treasury of Scripture Knowledge

Summary

Remember therefore how thou hast received and heard, and hold fast, and repent. If therefore thou shalt not watch, I will come on thee as a thief, and thou shalt not know what hour I will come upon thee.

Bible References

Remember

Revelation 2:5
Remember then from where you have fallen, repent and do the works you did at first. If not, I will come to you and remove your lampstand from its place, unless you repent.
Hebrews 2:1
Therefore we must pay more careful attention to what we have heard, lest we drift away from it.
2 Peter 1:13
I think it right, as long as I am in this body, to stir you up by way of reminder,
2 Peter 3:1
This is now the second letter that I have written to you, beloved, and in both of them I have aroused your sincere mind by way of reminder;

And hold

Revelation 3:11
I am coming soon; hold fast to what you have, so that no one may take your crown.
Revelation 2:25
only hold fast what you have until I come.
1 Timothy 6:20
O Timothy, guard what has been entrusted to you. Avoid godless chatter and the opposing ideas of what is falsely called knowledge,
2 Timothy 1:13
Follow the pattern of sound words which you have heard from me, in the faith and love which are in Christ Jesus.

I will

Revelation 16:15
("Behold, I am coming like a thief! Blessed is he who stays awake and keeps his clothes with him, so that he may not go naked and be shamefully exposed.")
Matthew 24:42
Watch therefore, for you do not know on what day your Lord is coming.
Luke 12:39
But know this, that if the owner of the house had known at what hour the thief was coming, he would not have allowed his house to be broken into.
1 Thessalonians 5:2
For you yourselves know well that the day of the Lord will come like a thief in the night.
2 Peter 3:10
But the day of the Lord will come like a thief, in which the heavens will pass away with a roar and the elements will be destroyed with fire, and the earth and the works that are in it will be burned up.

Know

Matthew 25:13
Therefore keep watch, for you know neither the day nor the hour.
Mark 13:33
Take heed, watch; for you do not know when the time will come.

General references

Matthew 24:36
"But of that day and hour no one knows, not even the angels of heaven, nor the Son, but the Father only.
Luke 12:39
But know this, that if the owner of the house had known at what hour the thief was coming, he would not have allowed his house to be broken into.
1 Corinthians 11:31
But if we judged ourselves rightly, we would not be judged.