Matthew 24:45-51
The returning Master will bless faithful service and expose wicked presumption.
45 “Who then is the faithful and wise servant, whom his lord has set over his household, to give them their food in due season?
46 Blessed is that servant whom his lord finds doing so when he comes.
47 Most certainly I tell you that he will set him over all that he has.
48 But if that evil servant should say in his heart, ‘My lord is delaying his coming,’
49 and begins to beat his fellow servants, and eat and drink with the drunkards,
50 the lord of that servant will come in a day when he doesn’t expect it, and in an hour when he doesn’t know it,
51 and will cut him in pieces, and appoint his portion with the hypocrites. That is where the weeping and grinding of teeth will be.
The returning Master will bless faithful service and expose wicked presumption.
Matthew records Jesus applying the command to keep watch by contrasting the blessed faithfulness of a servant who cares for the master's household with the judgment awaiting a wicked servant who exploits delay.
Jesus speaks privately to his disciples on the Mount of Olives after announcing the temple's destruction and answering their question about the sign of his coming and the end of the age. The passage belongs to Jesus' final Jerusalem teaching before his passion, where he prepares disciples to live faithfully between his departure and his future appearing.
The Olivet Discourse: Temple Desolation, Coming Judgment, the Son of Man, and Watchful Readiness
Because Jesus’ words are certain, his coming is sure, and his timing is unknown, disciples must reject deception, endure persecution, continue gospel mission, discern judgment rightly, and live as watchful, faithful servants until the Son of Man comes.