Matthew 24:44 in the King James Version
Therefore be ye also ready: for in such an hour as ye think not the Son of man cometh.
Context
43 But know this, that if the master of the house had known in what watch of the night the thief was coming, he would have watched, and would not have allowed his house to be broken into.
44 Therefore also be ready, for in an hour that you don’t expect, the Son of Man will come.
45 “Who then is the faithful and wise servant, whom his lord has set over his household, to give them their food in due season?