﴿فَلَعَلَّكَ تَارِكٌ بَعْضَ مَا يُوحَىٰ إِلَيْكَ وَضَائِقٌ بِهِ صَدْرُكَ أَنْ يَقُولُوا لَوْلَا أُنْزِلَ عَلَيْهِ كَنْزٌ أَوْ جَاءَ مَعَهُ مَلَكٌ ۚ إِنَّمَا أَنْتَ نَذِيرٌ ۚ وَاللَّهُ عَلَىٰ كُلِّ شَيْءٍ وَكِيلٌ﴾
12. So perchance you (Muhammad صلى الله عليه و سلم) may give up a part of what is revealed unto you, and that your breast feels straitened for it because they say, "Why has not a treasure been sent down unto him, or an angel has come with him?" But you are only a warner. And Allâh is a Wakîl (Disposer of affairs, Trustee, Guardian) over all things.