Matthew 24:48
Matthew 24:4848But suppose that servant is wicked and says in his heart, ‘My master will be away a long time.’
— the warning about the "evil slave" who says "my master is delaying" — is rarely engaged in JW publications, even though the surrounding parable () is the cornerstone of the entire faithful-and-discreet-slave doctrine. The Watchtower applies the parable's promise to itself (the Governing Body is the faithful slave appointed in 1919) but treats v. 48 as a warning to other groups whose masters have delayed — Christendom's clergy, apostate Witnesses, anyone who has lost eschatological urgency.
Hold up as the structural test the Watchtower itself accepts. Jesus warns that the "evil slave" is the one who says "my master is delaying" and uses the delay to mistreat fellow servants. Apply the test honestly. The Watchtower has predicted Christ's return in 1874, his enthronement in 1914, patriarchs resurrected in 1925, Armageddon by 1975. Each prediction failed. The organisation that originally said "young people who saw 1914 will not all die" before the end — and then quietly retired the claim when it became impossible — fits the structural pattern of v. 48 with discomforting precision. Pair with (the prophet's words must come true), the 1981 Watchtower (March 1) condemning as "apostate" the only-leaders-as-slave reading the Governing Body itself adopted in 2012, and the failed-date catalogue. The warning Jesus gave applies impartially to whichever slave fits the description.
The NWT renders doulos throughout the New Testament as "slave" rather than the more common English "servant." The choice is doctrinally load-bearing in this passage and its parallel (, "the faithful steward, the discreet one") because it shapes the JW signature phrase "the faithful and discreet slave" that the Governing Body uses as its own title. Standard English translations vary between "servant" and "slave" depending on context; the NWT's consistent "slave" produces the English vocabulary that anchors the doctrine. The rendering is technically defensible (doulos in koine names a bondservant/slave relationship) but the doctrinal weight rests on the systematic translation choice rather than on the semantic range of the Greek word in this verse.