Quran 79:20 from Surah An-Naazi'aat on Divine Marvels.
فَأَرَىٰهُ ٱلۡأٓيَةَ ٱلۡكُبۡرَىٰ
English translation: Then he showed him the sign the great
Transliteration: fa-arahu al-ayata al-kub'ra