Surah Al-Ahzab 33:8
لِّيَسْـَٔلَ ٱلصَّٰدِقِينَ عَن صِدْقِهِمْ ۚ وَأَعَدَّ لِلْكَٰفِرِينَ عَذَابًا أَلِيمًا ٨
EnglishSahih International
That He may question the truthful about their truth. And He has prepared for the disbelievers a painful punishment.