CLV(i)
38 And if He should be coming in the second watch, and if in the third watch, and should be finding them thus, happy are those slaves."
39 Now this you know, that if the householder were aware at what hour the thief is coming, he would watch and would not let his house be tunneled into."
40 You also become ready, then, for, in an hour which you are not supposing, the Son of Mankind is coming."