1 Thessalonians 5:2
You yourselves know well that the Day of the Lord will come just as a thief comes in the night.
2 Peter 3:10
The Day of the Lord will come like a thief; and on that day the heavens will pass away with a crash, the elements will be burnt up and dissolved, and the earth and all that is in it will be disclosed.
Revelation 3:3
Therefore remember what you have received and heard, and lay it to heart and repent. Unless you are on the watch, I shall come like a thief, and you will not know at what hour I am coming to you.
Revelation 16:15
('I am coming like a thief! Happy will he be who is on the watch, and keeps his clothing at hand, so that he will not have to walk about unclothed and let men see his nakedness.')
Matthew 24:42-44
Therefore watch; for you cannot be sure on what day your Master is coming.
Matthew 25:13
Therefore watch, since you know neither the Day nor the Hour.
Mark 13:34-35
It is like a man going on a journey, who leaves his home, puts his servants in charge--each having his special duty--and orders the porter to watch.
Luke 12:39-40
This you do know, that, had the owner of the house known at what time the thief was coming, he would have been on the watch, and would not have let his house be broken into.
1 Corinthians 1:8
And God himself will strengthen you to the end, so that at the Day of our Lord Jesus Christ you may be found blameless.