Asks, twice, "what is the calamity?" before answering with the image of people scattered like moths and mountains like carded wool — the sudden, disorienting scale of judgment day compressed into a handful of verses. After the initial dramatic imagery, it settles into a calmer explanation: those whose good deeds are heavy find a pleasant life, while those whose deeds are light find themselves in a bottomless pit — moving from spectacle to a straightforward moral accounting. The surah describes the day as being like scattered moths and the mountains like carded, fluffed wool — two everyday, textural images used to convey both chaos and a kind of fragile lightness to what might otherwise be described only as terrifying destruction.
Judgment day compressed into a handful of striking images — mountains like carded wool, people like scattered moths. The 'weighing' metaphor for deeds here is one of several such images across the Quran and is frequently used in religious education as an accessible way to explain moral accountability using a familiar, everyday concept of balance. Choosing textures like carded wool rather than only violent imagery for cosmic destruction is often cited as evidence of the Quran's varied, sometimes unexpectedly gentle vocabulary even when describing catastrophic events.