Quran 65:10 from Surah At-Talaaq on Divine Marvels.
أَعَدَّ ٱللَّهُ لَهُمۡ عَذَابٗا شَدِيدٗاۖ فَٱتَّقُواْ ٱللَّهَ يَٰٓأُوْلِي ٱلۡأَلۡبَٰبِ ٱلَّذِينَ ءَامَنُواْۚ قَدۡ أَنزَلَ ٱللَّهُ إِلَيۡكُمۡ ذِكۡرٗا
English translation: Has prepared Allah for them a punishment severe So fear Allah O men (of) understanding those who have believed Indeed Has sent down Allah to you a Message
Transliteration: a'adda al-lahu lahum adhaban shadidan fa-ittaqu al-laha yauli al-albabi alladhina amanu qad anzala al-lahu ilaykum dhik'ran