﴿ فَلَعَلَّكَ تَارِكٌۢ بَعْضَ مَا يُوحَىٰٓ إِلَيْكَ وَضَآئِقٌۢ بِهِۦ صَدْرُكَ أَن يَقُولُوا۟ لَوْلَآ أُنزِلَ عَلَيْهِ كَنزٌ أَوْ جَآءَ مَعَهُۥ مَلَكٌ ۚ إِنَّمَآ أَنتَ نَذِيرٌۭ ۚ وَٱللَّهُ عَلَىٰ كُلِّ شَىْءٍۢ وَكِيلٌ ﴾

“IS IT, then, conceivable [O Prophet] that thou couldst omit any part of what is being revealed unto thee [because the deniers of the truth dislike it,-and] because thy heart is distressed at their saying, "Why has not a treasure been bestowed upon him from on high?" -or, "[Why has not] an angel come [visibly:: with him?" [They fail to understand that] thou art only a warner, whereas God has everything in His care;”

Please check ayah 11:14 for complete tafsir.