1 Thessalonians 5:2

for ye yourselves know accurately that the day of the Lord so comes as a thief at 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 rushing noise, and the elements, being intensely hot, shall be dissolved, and the earth and the works therein shall be burned up.

Revelation 3:3

Remember, therefore, how you have received, and did hear; and keep it, and repent. If, therefore, you do not watch, I will come as a thief, and you shall not know at what hour I will come upon you.

Revelation 16:15

"Behold, I come as a thief! Happy is he that is watching, and keeping his garments; that he walk not naked, and they see his shame."

Matthew 24:42-44

Watch ye, therefore, because ye know not in what day your Lord is coming.

Matthew 25:13

Watch, therefore, because ye know not the day, nor the hour!

Mark 13:34-35

It is as when a man away from home, having left his house, and having given authority to his servants, to each his work, commanded also the porter to watch.

Luke 12:39-40

But know this, that, if the householder had known at what hour the thief was coming, he would have watched, and not have suffered his house to be broken through.

1 Corinthians 1:8

Who will also confirm you unto the end, unaccusable in the day of our Lord Jesus Christ.

Treasury of Scripture Knowledge

Summary

For yourselves know perfectly that the day of the Lord so cometh as a thief in the night.

General references

Bible References

General references

Matthew 24:36
But concerning that day and hour, no one knows, not even the angels of Heaven, neither the Son, but the Father only.
Luke 12:39
But know this, that, if the householder had known at what hour the thief was coming, he would have watched, and not have suffered his house to be broken through.
Luke 17:27
they were eating, they were drinking, they were marrying, they were given in marriage, until the day on which Noah entered into the ark, and the flood came, and destroyed them all.