Surah Al-Haqqah (The Inevitable Hour), Verse 7

سَخَّرَهَا عَلَیْهِمْ سَبْعَ لَیَالٍ وَّثَمٰنِیَةَ اَیَّامٍ حُسُوْمًا فَتَرَی الْقَوْمَ فِیْهَا صَرْعٰی كَاَنَّهُمْ اَعْجَازُ نَخْلٍ خَاوِیَةٍ ۟

Sakkhara haa 'alaihim sab'a la yaalinw wa samaaniyata ayyaamin husooman fataral qawma feehaa sar'aa ka annahum a'jaazu nakhlin khaawiyah

“He made it rage against them seven nights and eight days in succession: so that thou couldst see the (whole) people lying prostrate in its (path), as they had been roots of hollow palm-trees tumbled down!”

Quran 69:7 (Yusuf Ali Translation)