Sahih Bukhari
Afflictions and the End of the World
Volume: 009 / Book Number: 088 / Hadith Number: 176
Narrated Ibn Abbas:
The Prophet said, "Whoever disapproves of something done by his ruler then he should be patient, for whoever disobeys the ruler even a little (little = a span) will die as those who died in the Pre-lslamic Period of Ignorance. (i.e. as rebellious Sinners).