Revelation 16:15

Behold, I come as a thief. Blessed is he who watcheth, and keepeth his garments, that he walk not about naked, and men see his shame.

Revelation 3:18

I advise thee to buy of me gold purified by the fire, that thou mayest be rich; and white robes, that thou mayest be completely clothed, and that the shame of thy nakedness may not appear; and anoint thine eyes with a collyrium, that thou mayest see.

Matthew 24:42-43

Watch therefore: for ye know not at what hour your Master cometh.

Matthew 25:13

Watch therefore, for ye know not the day nor the hour in which the Son of man cometh.

Matthew 26:41

Watch and pray, that ye enter not into temptation. The spirit indeed is willing, but the flesh weak.

Mark 13:33-37

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

Mark 14:38

Watch ye and pray, that ye enter not into temptation; the spirit indeed is willing, but the flesh is weak.

Luke 12:37-43

Blessed are those servants, whom the Master, when he cometh, shall find watchful: verily I say unto you, that he will gird up himself, and make them sit down at table, and come and wait upon them.

Luke 21:36

Watch therefore, praying at every proper opportunity, that ye may be accounted worthy to escape all these things which are ready to come to pass, and to stand before the Son of man.

Acts 20:31

Therefore watch, remembering that for three years, by night and by day, I have never ceased with tears to admonish every individual.

2 Corinthians 5:3

that so invested, we may not be found naked.

1 Thessalonians 5:2-3

for yourselves know precisely that the day of the Lord so cometh as a thief in the night.

1 Thessalonians 5:6

Let us not then sleep as do others; but let us watch and be sober.

1 Peter 4:7

But the end of all things is near: be ye therefore sober-minded, and vigilant in prayers.

2 Peter 3:10

But the day of the Lord will come as a thief by night; in which the heavens shall pass away with a rushing noise, and the first principles of matter in flames dissolve, and the earth and all the works upon it be burnt up.

Revelation 3:3-4

Remember therefore how thou hast received and heard, and observe, and repent. If then thou art not found watching, I will come upon thee as a thief, and thou shalt in no wise know at what hour I will come upon thee.

Treasury of Scripture Knowledge

Summary

Behold, I come as a thief. Blessed is he that watcheth, and keepeth his garments, lest he walk naked, and they see his shame.

Bible References

I come

Revelation 3:3
Remember therefore how thou hast received and heard, and observe, and repent. If then thou art not found watching, I will come upon thee as a thief, and thou shalt in no wise know at what hour I will come upon thee.
Matthew 24:43
And this observe, that if the master of the family had known in which watch of the night the thief would have come, he would have watched, and not have suffered him to break into his house.
1 Thessalonians 5:2
for yourselves know precisely 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 by night; in which the heavens shall pass away with a rushing noise, and the first principles of matter in flames dissolve, and the earth and all the works upon it be burnt up.

Blessed

Matthew 24:42
Watch therefore: for ye know not at what hour your Master cometh.
Matthew 25:13
Watch therefore, for ye know not the day nor the hour in which the Son of man cometh.
Matthew 26:41
Watch and pray, that ye enter not into temptation. The spirit indeed is willing, but the flesh weak.
Mark 13:33
Take ye heed, watch, and pray; for ye know not when the time is.
Mark 14:38
Watch ye and pray, that ye enter not into temptation; the spirit indeed is willing, but the flesh is weak.
Luke 12:37
Blessed are those servants, whom the Master, when he cometh, shall find watchful: verily I say unto you, that he will gird up himself, and make them sit down at table, and come and wait upon them.
Luke 21:36
Watch therefore, praying at every proper opportunity, that ye may be accounted worthy to escape all these things which are ready to come to pass, and to stand before the Son of man.
Acts 20:31
Therefore watch, remembering that for three years, by night and by day, I have never ceased with tears to admonish every individual.
1 Thessalonians 5:6
Let us not then sleep as do others; but let us watch and be sober.
1 Peter 4:7
But the end of all things is near: be ye therefore sober-minded, and vigilant in prayers.

Lest

Revelation 3:4
Thou hast a few names even in Sardis, which have not defiled their garments; and they shall walk with me in white robes, for they are worthy.
2 Corinthians 5:3
that so invested, we may not be found naked.

General references

Matthew 24:36
But of that day and hour no man knoweth, not even the angels of heaven, but my Father alone.
Matthew 25:13
Watch therefore, for ye know not the day nor the hour in which the Son of man cometh.
Mark 13:33
Take ye heed, watch, and pray; for ye know not when the time is.
Luke 12:39
Now this be assured of, that if the master of the family had known at what hour the thief would come, he would have watched, and would not have suffered his house to be broken through.