Quran 6:147 from Surah Al-An'aam on Divine Marvels.
فَإِن كَذَّبُوكَ فَقُل رَّبُّكُمۡ ذُو رَحۡمَةٖ وَٰسِعَةٖ وَلَا يُرَدُّ بَأۡسُهُۥ عَنِ ٱلۡقَوۡمِ ٱلۡمُجۡرِمِينَ
English translation: But if they deny you then say Your Lord (is the) Possessor (of) Mercy Vast but not will be turned back His wrath from the people (who are) criminals
Transliteration: fa-in kadhabuka faqul rabbukum dhu rahmatin wasi'atin wala yuraddu basuhu ani al-qawmi al-muj'rimina