Tafseer Ibn Kathir of AL MAA-IDAH [99]

مَّا عَلَى الرَّسُولِ إِلاَّ الْبَلاَغُ وَاللّهُ يَعْلَمُ مَا تُبْدُونَ وَمَا تَكْتُمُونَ

Not upon the Messenger is [responsibility] except [for] notification. And Allah knows whatever you reveal and whatever you conceal.