39:55
Az-Zumar 55
Surah Az-Zumar (الزمر), verse 55 — reference 39:55. Arabic text with optional translation and free audio on Al-Qalam.
وَٱتَّبِعُوٓا۟ أَحْسَنَ مَآ أُنزِلَ إِلَيْكُم مِّن رَّبِّكُم مِّن قَبْلِ أَن يَأْتِيَكُمُ ٱلْعَذَابُ بَغْتَةً وَأَنتُمْ لَا تَشْعُرُونَ
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,