English translation
651. It was narrated that Al-Aswad said: "The final words of the Adhân of Bilâl were: 'Allâhu Akbar, Allâhu Akbar; Lâ ilâha illallâh (Allâh is the Greatest, Allâh is the Greatest, there is none worthy of worship except Allâh).” (Ṣaḥīḥ)
