Sahih al-Bukhari 3279
Book 59: Beginning of Creation · Narrated by `Abdullah bin `Umar
Arabic
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ، عَنْ مَالِكٍ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ ـ رضى الله عنهما ـ قَالَ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يُشِيرُ إِلَى الْمَشْرِقِ فَقَالَ " هَا إِنَّ الْفِتْنَةَ هَا هُنَا إِنَّ الْفِتْنَةَ هَا هُنَا مِنْ حَيْثُ يَطْلُعُ قَرْنُ الشَّيْطَانِ ".
English translation
Narrated `Abdullah bin `Umar:I saw Allah's Messenger (ﷺ) pointing towards the east saying, "Lo! Afflictions will verily emerge hence; afflictions will verily emerge hence where the (side of the head of) Satan appears
Reference: Sahih al-Bukhari 3279, Book of Beginning of Creation. English translation by Dr. Muhammad Muhsin Khan.