Quran 44:24 from Surah Ad-Dukhaan on Divine Marvels.
وَٱتۡرُكِ ٱلۡبَحۡرَ رَهۡوًاۖ إِنَّهُمۡ جُندٞ مُّغۡرَقُونَ
English translation: And leave the sea at rest Indeed they (are) an army (to be) drowned
Transliteration: wa-ut'ruki al-bahra rahwan innahum jundun mugh'raquna