Quran 51:11 from Surah Adh-Dhaariyat on Divine Marvels.
ٱلَّذِينَ هُمۡ فِي غَمۡرَةٖ سَاهُونَ
English translation: Those who [they] (are) in flood (of) heedlessness
Transliteration: alladhina hum fi ghamratin sahuna