Quran 6:47 from Surah Al-An'aam on Divine Marvels.
قُلۡ أَرَءَيۡتَكُمۡ إِنۡ أَتَىٰكُمۡ عَذَابُ ٱللَّهِ بَغۡتَةً أَوۡ جَهۡرَةً هَلۡ يُهۡلَكُ إِلَّا ٱلۡقَوۡمُ ٱلظَّٰلِمُونَ
English translation: Say Have you seen if comes to you punishment (of) Allah suddenly or openly will (any) be destroyed except the people the wrongdoers
Transliteration: qul ara-aytakum in atakum adhabu al-lahi baghtatan aw jahratan hal yuh'laku illa al-qawmu al-zalimuna