39:55
وَٱتَّبِعُوٓا۟أَحْسَنَمَآأُنزِلَإِلَيْكُممِّنرَّبِّكُممِّنقَبْلِأَنيَأْتِيَكُمُٱلْعَذَابُبَغْتَةًوَأَنتُمْلَاتَشْعُرُونَ٥٥
wa-ittabiʿū aḥsana mā unzila ilaykum min rabbikum min qabli an yatiyakumu l-ʿadhābu baghtatan wa-antum lā tashʿurūna
And follow the best of what was revealed to you from your Lord [i.e., the Qur’ān] before the punishment comes upon you suddenly while you do not perceive,(55)