Sahih al-Bukhari 431
Book 8: Prayers (Salat) · Narrated by `Abdullah bin `Abbas
Arabic
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ، عَنْ مَالِكٍ، عَنْ زَيْدِ بْنِ أَسْلَمَ، عَنْ عَطَاءِ بْنِ يَسَارٍ، عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، قَالَ انْخَسَفَتِ الشَّمْسُ، فَصَلَّى رَسُولُ اللَّهِ صلى الله عليه وسلم ثُمَّ قَالَ " أُرِيتُ النَّارَ، فَلَمْ أَرَ مَنْظَرًا كَالْيَوْمِ قَطُّ أَفْظَعَ ".
English translation
Narrated `Abdullah bin `Abbas:The sun eclipsed and Allah's Messenger (ﷺ) offered the eclipse prayer and said, "I have been shown the Hellfire (now) and I never saw a worse and horrible sight than the sight I have seen today
Reference: Sahih al-Bukhari 431, Book of Prayers (Salat). English translation by Dr. Muhammad Muhsin Khan.