Sahih Bukhari
Prophetic Commentary on the Quran (Tafseer of the Prophet (PBUH))
Volume: 006 / Book Number: 060 / Hadith Number: 290
Narrated Abdullah:
Five (great events) have passed: the Smoke, the Moon, the Romans, the Mighty grasp and the constant Punishment which occurs in 'So the torment will be yours forever.' (25.77)