Revelation 3:3

Remember therefore how thou hast received and heard, and keep those things, and repent. If therefore thou shalt not watch, I will come as a thief, and thou shalt not know at what hour I will come upon thee.

Revelation 2:5

Remember therefore whence thou hast fallen, and repent, and do the first works; or else I will come to thee, and will remove thy candlestick out of its place, unless thou repent.

2 Peter 3:10

But the day of the Lord will come as a thief; in which the heavens will pass away with a great noise, and the elements will melt with fervent heat, and the earth and the works that are therein will be burned up.

1 Thessalonians 5:2

for ye yourselves know full well, that the day of the Lord so cometh as a thief in the night.

Revelation 16:15

Behold, I come as a thief; blessed is he that watcheth, and keepeth his garments, that he may not walk naked, and his shame be seen.

Matthew 25:13

Watch, therefore, for ye know not the day nor the hour.

2 Timothy 1:13

Hold the pattern of sound words, which thou heardest from me, in faith and love which is in Christ Jesus;

Matthew 24:42-43

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

Mark 13:33

Take heed, watch; for ye know not when the time is.

Mark 13:36

lest coming suddenly, he find you sleeping.

Luke 12:39-40

And be sure of this, that if the master of the house had known at what hour the thief was coming, he would not have suffered his house to be broken through.

1 Thessalonians 5:4-6

But ye, brethren, are not in darkness, that the day should overtake you as a thief;

1 Timothy 6:20

O Timothy, keep that which is committed to thy trust, avoiding the profane babblings, and oppositions of the falselycalled knowledge;

Hebrews 2:1

Therefore we ought to give the more earnest heed to the things which we have heard, lest haply we let them slip.

2 Peter 1:13

Yea, I think it right, as long as I am in this tabernacle, to stir you up by reminding you;

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;

Revelation 2:21-22

And I gave her time to repent, and she will not repent of her fornication.

Revelation 2:25

but that which ye have, hold fast till I come.

Revelation 3:11

I come quickly; hold fast that which thou hast, that no one may take thy crown.

Revelation 3:19

As many as I love, I rebuke and chasten. Be zealous therefore, 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 therefore whence thou hast fallen, and repent, and do the first works; or else I will come to thee, and will remove thy candlestick out of its place, unless thou repent.
Hebrews 2:1
Therefore we ought to give the more earnest heed to the things which we have heard, lest haply we let them slip.
2 Peter 1:13
Yea, I think it right, as long as I am in this tabernacle, to stir you up by reminding you;
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;

And hold

Revelation 3:11
I come quickly; hold fast that which thou hast, that no one may take thy crown.
Revelation 2:25
but that which ye have, hold fast till I come.
1 Timothy 6:20
O Timothy, keep that which is committed to thy trust, avoiding the profane babblings, and oppositions of the falselycalled knowledge;
2 Timothy 1:13
Hold the pattern of sound words, which thou heardest from me, in faith and love which is in Christ Jesus;

I will

Revelation 16:15
Behold, I come as a thief; blessed is he that watcheth, and keepeth his garments, that he may not walk naked, and his shame be seen.
Matthew 24:42
Watch, therefore, for ye know not on what day your Lord is coming.
Luke 12:39
And be sure of this, that if the master of the house had known at what hour the thief was coming, he would not have suffered his house to be broken through.
1 Thessalonians 5:2
for ye yourselves know full well, that the day of the Lord so cometh as a thief in the night.
2 Peter 3:10
But the day of the Lord will come as a thief; in which the heavens will pass away with a great noise, and the elements will melt with fervent heat, and the earth and the works that are therein will be burned up.

Know

Matthew 25:13
Watch, therefore, for ye know not the day nor the hour.
Mark 13:33
Take heed, watch; for ye know not when the time is.

General references

Matthew 24:36
But that day and hour knoweth no one, not even the angels of heaven, nor the Son, but the Father only.
Luke 12:39
And be sure of this, that if the master of the house had known at what hour the thief was coming, he would not have suffered his house to be broken through.
1 Corinthians 11:31
But if we judged ourselves, we should not be judged;