Hadith: The Hour (Last Day) will not be established until (religious) knowledge will be taken away

The Prophet Sallallahu Alaihi Wasallam said, "The Hour (Last Day) will not be established until (religious) knowledge will be taken away , earthquakes will be very frequent, time will pass quickly, afflictions (problem or trouble) will appear, murders will increase and money will overflow amongst you." 
Sahih Bukhari, Volume 2, Book 17, Number 146: