Surah Al-Qalam, ayah 42

68:42

يَوۡمَ يُكۡشَفُ عَن سَاقٖ وَيُدۡعَوۡنَ إِلَى ٱلسُّجُودِ فَلَا يَسۡتَطِيعُونَ ٤٢

Yawma yukshafu 'an sāqin wayud'awna ilas-sujūdi falā yastatī'ūn

The Day the shin will be uncovered1732 and they are invited to prostration but they [i.e., the disbelievers] will not be able,

Footnotes

1732 i.e., when everyone will find before him great difficulty. In accordance with authentic ḥadīths, "the shin" might also refer to that of Allāh (subḥānahu wa taʿālā), before which every believer will prostrate on the Day of Judgement. See footnote to 2:19.