But understand this: If the homeowner had known at what hour the thief was coming, he would not have let his house be broken into.
KJV
And this know, that if the goodman of the house had known what hour the thief would come, he would have watched, and not have suffered his house to be broken through.
ASV
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 have left his house to be broken through.