The Holy Quran 68:42 — Surah Al-Qalam
Arabic text
يَوْمَ يُكْشَفُ عَن سَاقٍ وَيُدْعَوْنَ إِلَى ٱلسُّجُودِ فَلَا يَسْتَطِيعُونَ
Translation
(Do not forget) The day (of Qiyaamah) when the “shin” (this term is among the "Mutashaabihaat") will be exposed and (it will be so magnificent that by seeing it) people (the Kuffaar) will be summoned (by their emotions) to prostrate but will be unable to (only the true Mu'mineen will be able to prostrate).
Tafsir (excerpt) — Tafsir Usmani
The uncovering of the shin: its account has come in the hadith of the two Shaykhs [al-Bukhari and Muslim] as marfu (traced back to the Prophet ﷺ), as follows: Almighty Allah will reveal His “saq” on the plain of the Day of Resurrection.
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