Quran 24:20 from Surah An-Noor on Divine Marvels.
وَلَوۡلَا فَضۡلُ ٱللَّهِ عَلَيۡكُمۡ وَرَحۡمَتُهُۥ وَأَنَّ ٱللَّهَ رَءُوفٞ رَّحِيمٞ
English translation: And if not (for the) Grace of Allah (for the) Grace of Allah upon you and His Mercy And that Allah (is) Full of Kindness Most Merciful
Transliteration: walawla fadlu al-lahi alaykum warahmatuhu wa-anna al-laha raufun rahimun