Luke 12:40 in the King James Version
Be ye therefore ready also: for the Son of man cometh at an hour when ye think not.
Context
39 But know this, that if the master of the house had known in what hour the thief was coming, he would have watched and not allowed his house to be broken into.
40 Therefore be ready also, for the Son of Man is coming in an hour that you don’t expect him.”
41 Peter said to him, “Lord, are you telling this parable to us, or to everybody?”