Quran 37:106 from Surah As-Saaffaat on Divine Marvels.
إِنَّ هَٰذَا لَهُوَ ٱلۡبَلَٰٓؤُاْ ٱلۡمُبِينُ
English translation: Indeed this was surely the trial clear
Transliteration: inna hadha lahuwa al-balau al-mubinu