Quran 21:83 from Surah Al-Anbiyaa on Divine Marvels.
۞وَأَيُّوبَ إِذۡ نَادَىٰ رَبَّهُۥٓ أَنِّي مَسَّنِيَ ٱلضُّرُّ وَأَنتَ أَرۡحَمُ ٱلرَّٰحِمِينَ
English translation: And Ayub when he called (to) his Lord Indeed [I] has touched me the adversity and You (are) Most Merciful (of) the Merciful
Transliteration: wa-ayyuba idh nada rabbahu anni massaniya al-duru wa-anta arhamu al-rahimina