Matthew 24:43

Overview - Matthew 24
1	Christ foretells the destruction of the temple;
3	what and how great calamities shall be before it;
29	the signs of his coming to judgment.
36	And because that day and hour are unknown,
42	we ought to watch like good servants, expecting every moment our Master's coming.

Matthew 24:43  (King James Version)
But know this, that if the goodman of the house had known in what watch the thief would come, he would have watched, and would not have suffered his house to be broken up.