سنن ابن ماجه

It was narrated that Abu Hurairah said: "The Messenger of Allah (ﷺ) said: 'Seek refuge with Allah from the pit of grief.' They said: 'O Messenger of Allah, what is the pit of grief?' He said: 'A valley in Hell from which Hell itself seeks refuge four hundred times each day.' It was said: 'O Messenger of Allah, who will enter it?' He said: 'It has been prepared for reciters of the Qur'an who want to show off their deeds. The most hateful of reciters of the Qur'an to Allah are those who visit the rulers.'" (Da'if) Other chains of narrators.