Luke 12:39
Of this be sure, that if the master of the house had known what time the robber was coming, he would have kept awake and not have allowed his house to be broken into.
Ephesians 5:7-11
Therefore do not become sharers with them.
1 Thessalonians 5:2
For you yourselves know perfectly well that the day of the Lord comes like a thief in the night.
Revelation 3:3
Be mindful, therefore, of the lessons you have received and heard. Continually lay them to heart, and repent. If, however, you fail to rouse yourself and keep awake, I shall come upon you suddenly like a thief, and you will certainly not know the hour at which I shall come to judge you.