Surah Al-Hajj, ayah 1

22:1

يَٰٓأَيُّهَا ٱلنَّاسُ ٱتَّقُواْ رَبَّكُمۡۚ إِنَّ زَلۡزَلَةَ ٱلسَّاعَةِ شَيۡءٌ عَظِيمٞ ١

Yā'ayyuhan-nāsut-taqū rabbakum inna zalzalatas-sā'ati shay'un 'azīm

O mankind, fear your Lord. Indeed, the convulsion of the [final] Hour is a terrible thing.