Qur'an 28:44 · Al-Qasas

وَمَا كُنتَ بِجَانِبِ ٱلْغَرْبِىِّ إِذْ قَضَيْنَآ إِلَىٰ مُوسَى ٱلْأَمْرَ وَمَا كُنتَ مِنَ ٱلشَّٰهِدِينَ

(44) And you, [O Muḥammad], were not on the western side [of the mount] when We revealed to Moses the command, and you were not among the witnesses [to that].