Al-Hajj 22:1

يَـٰٓأَيُّهَا ٱلنَّاسُ ٱتَّقُوا۟ رَبَّكُمْ ۚ إِنَّ زَلْزَلَةَ ٱلسَّاعَةِ شَىْءٌ عَظِيمٌ

Yāayyuhā l-nāsu ittaqū rabbakum inna zalzalata l-sāʿati shayon ʿaẓīmun

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