Revelation 16:15

(See, I am coming like a thief! Blessed is he who keeps awake, and keeps hold of his clothes, so that he will not have to go naked and be put to shame!)

Revelation 3:18

I advise you to buy of me gold that has been tested with fire, so that you may be rich, and white clothes to put on, to keep your shameful nakedness from being seen, and salve to put on your eyes, to make you see.

Matthew 24:42-43

So you must be on the watch, for you do not know on what day your Master is coming.

Matthew 25:13

So you must be on the watch, for you do not know either the day or the hour.

Matthew 26:41

You must all watch, and pray that you may not be exposed to trial! One's spirit is eager, but flesh and blood are weak!"

Mark 13:33-37

You must look out and be on the alert, for you do not know when it will be time;

Mark 14:38

You must all watch, and pray that you may not be subjected to trial. One's spirit is eager, but human nature is weak."

Luke 12:37-43

Blessed are the slaves whom their master will find on the watch when he comes. I tell you, he will gird up his robe and make them take their places at table, and go around and wait on them.

Luke 21:36

But you must be vigilant and always pray that you may succeed in escaping all this that is going to happen, and in standing in the presence of the Son of Man."

Acts 20:31

So you must be on your guard and remember that for three years, night and day, I never stopped warning any of you, even with tears.

2 Corinthians 5:3

for if I do, I shall never find myself disembodied.

1 Thessalonians 5:2-3

for you yourselves know perfectly well that the Day of the Lord is to come like a thief in the night.

1 Thessalonians 5:6

So we must not sleep like other men, but we must be vigilant and composed.

1 Peter 4:7

But the end of all things is near. Be serious and collected, therefore, and pray.

2 Peter 3:10

The Day of the Lord will come like a thief; on it the heavens will pass away with a roar, the heavenly bodies will burn up and be destroyed, and the earth and all its works will melt away.

Revelation 3:3-4

So remember what you received and heard, and obey it, and repent. If you do not wake up, I will come like a thief, and you will not know at what hour I am coming upon you.

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
So remember what you received and heard, and obey it, and repent. If you do not wake up, I will come like a thief, and you will not know at what hour I am coming upon you.
Matthew 24:43
But you may be sure of this, that if the master of the house had known in what part of the night the thief was coming, he would have been on the watch, and would not have let his house be broken into.
1 Thessalonians 5:2
for you yourselves know perfectly well that the Day of the Lord is to come like a thief in the night.
2 Peter 3:10
The Day of the Lord will come like a thief; on it the heavens will pass away with a roar, the heavenly bodies will burn up and be destroyed, and the earth and all its works will melt away.

Blessed

Matthew 24:42
So you must be on the watch, for you do not know on what day your Master is coming.
Matthew 25:13
So you must be on the watch, for you do not know either the day or the hour.
Matthew 26:41
You must all watch, and pray that you may not be exposed to trial! One's spirit is eager, but flesh and blood are weak!"
Mark 13:33
You must look out and be on the alert, for you do not know when it will be time;
Mark 14:38
You must all watch, and pray that you may not be subjected to trial. One's spirit is eager, but human nature is weak."
Luke 12:37
Blessed are the slaves whom their master will find on the watch when he comes. I tell you, he will gird up his robe and make them take their places at table, and go around and wait on them.
Luke 21:36
But you must be vigilant and always pray that you may succeed in escaping all this that is going to happen, and in standing in the presence of the Son of Man."
Acts 20:31
So you must be on your guard and remember that for three years, night and day, I never stopped warning any of you, even with tears.
1 Thessalonians 5:6
So we must not sleep like other men, but we must be vigilant and composed.
1 Peter 4:7
But the end of all things is near. Be serious and collected, therefore, and pray.

Lest

Revelation 3:4
Yet you have a few at Sardis who have not soiled their clothes. They will walk with me clad in white, for they deserve to.
2 Corinthians 5:3
for if I do, I shall never find myself disembodied.

General references

Matthew 24:36
But about that day or hour no one knows, not even the angels in heaven nor the Son, but only the Father.
Matthew 25:13
So you must be on the watch, for you do not know either the day or the hour.
Mark 13:33
You must look out and be on the alert, for you do not know when it will be time;
Luke 12:39
But you may be sure of this, that if the master of the house had known what time the thief was coming, he would have been on the watch, and would not have let his house be broken into.