Sahih Bukhari
Beginning of Creation
Volume: 004 / Book Number: 054 / Hadith Number: 487
Narrated Abu Huraira:
Allah's Apostle said, "Your (ordinary) fire is one of 70 parts of the (Hell) Fire." Someone asked, "O Allah's Apostle This (ordinary) fire would have been sufficient (to torture the unbelievers)," Allah's Apostle said, "The (Hell) Fire has 69 parts more than the ordinary (worldly) fire, each part is as hot as this (worldly) fire."