Surah As-Saffat, ayah 106

إِنَّ هَٰذَا لَهُوَ ٱلۡبَلَٰٓؤُاْ ٱلۡمُبِينُ ١٠٦

Inna hādhā lahuwal-balā'ul-mubīn

Indeed, this was the clear trial.