1 Thessalonians 5:2
You know perfectly well that the day of the Lord comes like a thief in the night;
2 Peter 3:10
The day of the Lord will come like a thief, when the heavens will vanish with crackling roar, the stars will be set ablaze and melt, the earth and all its works will disappear.
Revelation 3:3
Now remember what you received and heard, hold to it and repent. If you will not wake up, I shall come like a thief; you will not know at what hour I come upon you.
Revelation 16:15
(Lo, I am coming like a thief; blessed be he who keeps awake and holds his raiment fast, not to go naked and have the shame of exposure!)
Matthew 24:42-44
Keep on the watch then, for you never know what day your Lord will come.
Matthew 25:13
Keep on the watch then, for you know neither the day nor the hour.
Mark 13:34-35
It is like a man leaving his house to go abroad; he puts his servants in charge, each with his work to do, and he orders the porter to keep watch.
Luke 12:39-40
Be sure that if the householder had known at what hour the thief was coming, he would not have allowed his house to be broken into.
1 Corinthians 1:8
and to the very end he will guarantee that you are vindicated on the day of our Lord Jesus Christ.