Revelation 16:15

"I shall come with surprize, happy he that is upon the watch, and keepeth his garments pure, that his vices may not put him to shame."

Revelation 3:18

I counsel thee to purchase of me gold tried in the fire, that thou mayst be rich; and white raiment, that thou mayst be cloathed, and that the shame of thy nakedness may not appear; and an ointment for thine eyes to make you see clear.

Matthew 24:42-43

watch therefore, for ye know not at what hour your Lord shall come.

Matthew 25:13

watch therefore, for ye know neither the day nor the hour.

Matthew 26:41

watch and pray that ye may not sink under the trial: the mind indeed is vigorous, but the flesh is weak.

Mark 13:33-37

be circumspect, be vigilant, and devout: because you are uncertain when that time will be.

Mark 14:38

watch and pray, that you may not yield to temptation: the mind indeed is vigorous, but the body is weak.

Luke 12:37-43

happy those servants, whom the master at his arrival shall find thus watching: I assure you, he shall gird himself, and make them sit at table, and will come to serve them.

Luke 21:36

be therefore upon your guard, be constant in prayer, that you may be accounted worthy to escape all those future ills, and be able to stand in the presence of the son of God.

Acts 20:31

be then upon the watch, and remember, that for three years I have not ceased by night, or by day to warn every soul of you, even with tears.

2 Corinthians 5:3

tho' should I be divested of this body, I shall not even then be destitute of one.

1 Thessalonians 5:2-3

for you very well know, that the day of the Lord steals on like a thief in the night.

1 Thessalonians 5:6

therefore let us not sleep away our time like others, but be vigilant and temperate.

1 Peter 4:7

The consummation of all things draws nigh. be temperate, be vigilant in prayer.

2 Peter 3:10

As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.

Revelation 3:3-4

remember therefore what thou hast received and heard: observe it and repent. if therefore thou art not vigilant, I will come upon thee as a thief, thou shalt not know 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 what thou hast received and heard: observe it and repent. if therefore thou art not vigilant, I will come upon thee as a thief, thou shalt not know what hour I will come upon thee.
Matthew 24:43
but this you conceive, that if a man knew at what hour of the night the thief would come, he would set a watch, and not suffer his house to be broke open.
1 Thessalonians 5:2
for you very well know, that the day of the Lord steals on like a thief in the night.
2 Peter 3:10
As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.

Blessed

Matthew 24:42
watch therefore, for ye know not at what hour your Lord shall come.
Matthew 25:13
watch therefore, for ye know neither the day nor the hour.
Matthew 26:41
watch and pray that ye may not sink under the trial: the mind indeed is vigorous, but the flesh is weak.
Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.
Mark 14:38
watch and pray, that you may not yield to temptation: the mind indeed is vigorous, but the body is weak.
Luke 12:37
happy those servants, whom the master at his arrival shall find thus watching: I assure you, he shall gird himself, and make them sit at table, and will come to serve them.
Luke 21:36
be therefore upon your guard, be constant in prayer, that you may be accounted worthy to escape all those future ills, and be able to stand in the presence of the son of God.
Acts 20:31
be then upon the watch, and remember, that for three years I have not ceased by night, or by day to warn every soul of you, even with tears.
1 Thessalonians 5:6
therefore let us not sleep away our time like others, but be vigilant and temperate.
1 Peter 4:7
The consummation of all things draws nigh. be temperate, be vigilant in prayer.

Lest

Revelation 3:4
thou hast a few persons in Sardis who have not defiled their garments; they shall walk with me in white: for they are worthy.
2 Corinthians 5:3
tho' should I be divested of this body, I shall not even then be destitute of one.

General references

Matthew 24:36
As to the day and hour, that no one knows, not even the angels of heaven, but the father only.
Matthew 25:13
watch therefore, for ye know neither the day nor the hour.
Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.
Luke 12:39
if the master of a house knew at what hour the thief would come, no doubt he would be on his guard, and not suffer him to break into his house.