Matthew 24:39
Taking not notice till the flood came and swept them one and all away; and so will it be at the Coming of the Son of Man.
Matthew 24:50
That servant's master will come on a day when he does not expect him, and at an hour of which he is unaware,
Matthew 25:6
But at midnight a shout was raised--'The Bridegroom is coming! Come out to meet him!'
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.