1 Thessalonians 5:2
For ye yourselves know accurately that the day of the Lord, as a thief in the night, so comes.
2 Peter 3:10
And the day of the Lord will come as a thief in the night; in which the heavens shall pass away with a loud noise, and the elements, suffering from excessive heat, shall be dissolved, and the earth and the works in it shall be burned down.
Revelation 3:3
Remember therefore how thou hast received, and heard, and do thou, and repent. If therefore thou watch not, I will come upon thee as a thief, and thou shalt not know what hour I shall come upon thee.
Revelation 16:15
(Behold, I come as a thief. Happy he watching, and keeping his garments, lest he walk naked, and they see his shame.)
Matthew 24:42-44
Watch therefore; for ye know not what hour your Lord comes.
Matthew 25:13
Watch, therefore, for ye know not the day, neither the hour, in which the Son of man comes.
Mark 13:34-35
As a man travelling, having left his house, and having given power to his servants, and to each his work, and he commanded the guard of the door that he should watch.
Luke 12:39-40
And know this, that if the master of the house knew what hour the thief is coming, he had watched, and not have suffered his house to be undermined.
Jeremiah 23:20
The anger of Jehovah shall not turn back till his doing, and till his setting up the purposes of his heart: in the last of the days ye shall understand in it with understanding.
1 Corinthians 1:8
Who also shall make you firm even to the end, blameless in the day of our Lord Jesus Christ.