Quran 29:21 from Surah Al-Ankaboot on Divine Marvels.
يُعَذِّبُ مَن يَشَآءُ وَيَرۡحَمُ مَن يَشَآءُۖ وَإِلَيۡهِ تُقۡلَبُونَ
English translation: He punishes whom He wills and has mercy (on) whom He wills and to Him you will be returned
Transliteration: yu'adhibu man yashau wayarhamu man yashau wa-ilayhi tuq'labuna