1 Thessalonians / Question
Paul says the day of the Lord will come “like a thief in the night,” contrasting suddenness with false confidence (1 Thessalonians 5:2–3). He adds that believers are not “in darkness” for that day to surprise them like a thief (1 Thessalonians 5:4).
In 1 Thessalonians 5:1–7, Paul says the timing of “the day of the Lord” is not something they need explained in detail, because they already know it will arrive unexpectedly, like a nighttime theft. When people feel secure, sudden disaster will come and there will be no escape. This section follows Paul’s discussion of what happens to believers who have died and the hope tied to the Lord’s coming (1 Thessalonians 4:13–18). Having addressed their concern about the dead, Paul turns to a related concern: not the sequence of events, but the timing and the posture believers should keep.
Paul treats “the day of the Lord” as a real future event whose timing is not available for charting (“times and seasons” are not something he needs to write about). What the readers “know well” is the manner of its arrival: it comes unexpectedly, “like a thief in the night” (verses 1–2; night).
A common mistake is to turn the wording into a slogan. The better reading keeps the phrase tied to the passage, the speaker, and the problem the book is addressing.
Start with 1 Thessalonians 5:2-3, then read the surrounding section so the answer stays connected to the passage's flow.
2For you yourselves know well that the day of the Lord comes like a thief in the night.
3For when they are saying, "Peace and safety," then sudden destruction will come on them, like birth pains on a pregnant woman; and they will in no way escape.