that the Prophet ﷺ said: "You shall not return to Allah with what is more virtuous than what came from Him." Meaning the Qur'an. (Using translation from Tirmidhī 2912)
قَالَ رَسُولُ اللَّهِ ﷺ «إِنَّكُمْ لَا تَرْجِعُونَ إِلَى اللَّهِ بِشَيْءٍ أَفْضَلَ مِمَّا خَرَجَ مِنْهُ» يَعْنِي الْقُرْآنَ