Sahih al-Bukhari, Hadith 1036 ⓘ
Narrated Abu Huraira: The Prophet said, "The Hour (Last Day) will not be established until (religious) knowledge will be taken away (by the death of religious learned men), earthquakes will be very frequent, time will pass quickly, afflictions will appear, murders will increase and money will overflow amongst you." (See Hadith No. 85 Vol 1).
حَدَّثَنَا أَبُو الْيَمَانِ، قَالَ أَخْبَرَنَا شُعَيْبٌ، قَالَ أَخْبَرَنَا أَبُو الزِّنَادِ، عَنْ عَبْدِ الرَّحْمَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " لاَ تَقُومُ السَّاعَةُ حَتَّى يُقْبَضَ الْعِلْمُ، وَتَكْثُرَ الزَّلاَزِلُ، وَيَتَقَارَبَ الزَّمَانُ، وَتَظْهَرَ الْفِتَنُ، وَيَكْثُرَ الْهَرْجُ ـ وَهْوَ الْقَتْلُ الْقَتْلُ ـ حَتَّى يَكْثُرَ فِيكُمُ الْمَالُ فَيَفِيضُ " .
also referenced under: Book 15, Hadith 31 (In-Book) & Volume 2, Book 17, Hadith 146 (USC-MSA)