Matthew
Matthew 24:43ESV·traditional attribution

But know this, that if the master of the house had known in what part of the night the thief was coming, he would have stayed awake and would not have let his house be broken into.

John Calvin Reformed @genevareformer

Matthew 24:43. If the householder had known. Luke relates this discourse of Christ at a different place from Matthew; and we need not wonder at this, for in the twelfth chapter, where (as we have formerly explained) he collects out of various discourses a summary of doctrine, he inserts also this parable.

John Gill Reformed Baptist @doctorgill

Therefore be ye also ready,.... Or prepared for the coming of the son of man; which as it is said to be like a thief in the night, expresses the suddenness of it, may excite to watchfulness and readiness; which readiness is to be understood, not of a readiness to do the will and work of God, though this is absolutely necessary; as to watch...

Albert Barnes Presbyterian @notesbybarnes

Verse 43. But know this, etc. If a man knew the hour, or about the hour, when a robber would come, he would be ready for him. So you know not the exact hour, but you know it is near, when the Son of man will come. He will come suddenly, as a thief comes, without giving previous warning, . Goodman. . Thief. A robber.