Verse 54

رَّبُّكُمْ أَعْلَمُ بِكُمْ إِن يَشَأْ يَرْحَمْكُمْ أَوْ إِن يَشَأْ يُعَذِّبْكُمْ وَمَآ أَرْسَلْنَـٰكَ عَلَيْهِمْ وَكِيلًا

Your Lord knows you full well. He may shower you with His Mercy or He may will to cause you suffering. And We did not send you as their advocate.