1 Thessalonians 5:2

For you yourselves have the knowledge that the day of the Lord will come like a thief in the night.

2 Peter 3:10

But the day of the Lord will come like a thief; and in that day the heavens will be rolled up with a great noise, and the substance of the earth will be changed by violent heat, and the world and everything in it will be burned up.

Revelation 3:3

Keep in mind, then, the teaching which was given to you, and be ruled by it and have a change of heart. If then you do not keep watch, I will come like a thief, and you will have no knowledge of the hour when I will come on you.

Revelation 16:15

(See, I come as a thief. Happy is he who is watching and keeps his robes, so that he may not go unclothed, and his shame be seen.)

Matthew 24:42-44

Be watching, then! for you have no knowledge on what day your Lord will come.

Matthew 25:13

Keep watch, then, because you are not certain of the day or of the hour.

Mark 13:34-35

It is as when a man who is in another country for a time, having gone away from his house, and given authority to his servants and to everyone his work, gives the porter an order to keep watch.

Luke 12:39-40

But be certain of this, that if the master of the house had had knowledge of the time when the thief was coming, he would have been watching, and would not have let his house be broken into.

Jeremiah 23:20

The wrath of the Lord will not be turned back till he has done, till he has put into effect, the purposes of his heart: in days to come you will have full knowledge of this.

1 Corinthians 1:8

Who will give you strength to the end, to be free from all sin 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

Know

Jeremiah 23:20
The wrath of the Lord will not be turned back till he has done, till he has put into effect, the purposes of his heart: in days to come you will have full knowledge of this.

General references

Matthew 24:36
But of that day and hour no one has knowledge, not even the angels in heaven, or the Son, but the Father only.
Luke 12:39
But be certain of this, that if the master of the house had had knowledge of the time when the thief was coming, he would have been watching, and would not have let his house be broken into.
Luke 17:27
They were feasting and taking wives and getting married, till the day of the overflowing of the waters, when Noah went into the ark, and they all came to destruction.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain