Quran 82:17 from Surah Al-Infitaar on Divine Marvels.
وَمَآ أَدۡرَىٰكَ مَا يَوۡمُ ٱلدِّينِ
English translation: And what can make you know what (is the) Day (of) the Judgment
Transliteration: wama adraka ma yawmu al-dini