1 Thessalonians 5:2
for you yourselves know well, that the day of the Lord is so coming like a thief in the night.
2 Peter 3:10
But the day of the Lord will come like a thief; in which the heavens will pass away with a great noise, and the elements being scorched up will be dissolved, and the earth and the works in it will be burnt up.
Revelation 3:3
Remember therefore how you have received and heard, and hold fast, and repent. If you do not watch, I will come as a thief, and you shall not know what hour I will come upon you.
Revelation 16:15
Behold, I am coming as a thief; blessed is the one watching and keeping his garments, in order that he may not walk about naked, and they may see his shame.
Matthew 24:42-44
Watch therefore: because you do not know on what day your Lord cometh.
Matthew 25:13
Watch therefore, because you know neither the day nor the hour.
Mark 13:34-35
As a man, going away, leaving his own house, and giving authority to his servants, and to each one his work, and commanded the porter that he should watch.
Luke 12:39-40
Know this, that if the landlord knew at what hour the thief cometh, he would not have permitted his house to be broken into.
1 Corinthians 1:8
who will also establish you unblamable unto the end in the day of our Lord Jesus Christ.