Surah As-Saffah (Those Angels Lines up in Ranks), Verse 106

اِنَّ هٰذَا لَهُوَ الْبَلٰٓؤُا الْمُبِیْنُ ۟

Inna haazaa lahuwal balaaa'ul mubeen

“For this was obviously a trial-”

Quran 37:106 (Yusuf Ali Translation)