WNT(i)
38 And whether it be in the second watch or in the third that He comes and finds them so, blessed are they.
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.
40 Be you also ready, for at an hour when you are not expecting Him the Son of Man will come."