Quran 37:21 from Surah As-Saaffaat on Divine Marvels.
هَٰذَا يَوۡمُ ٱلۡفَصۡلِ ٱلَّذِي كُنتُم بِهِۦ تُكَذِّبُونَ
English translation: This (is the) Day (of) Judgment which you used to [of it] deny
Transliteration: hadha yawmu al-fasli alladhi kuntum bihi tukadhibuna