(2) باب قَوْلِ النَّبِيِّ صلى الله عليه وسلم " سَتَرَوْنَ بَعْدِي أُمُورًا تُنْكِرُونَهَا "
Narrated Ibn `Abbas:
The Prophet (ﷺ) said, "Whoever notices something which he dislikes done by his ruler, then he should be patient, for whoever becomes separate from the company of the Muslims even for a span and then dies, he will die as those who died in the Pre-lslamic period of Ignorance (as rebellious sinners). (Fath-ul-Bari page 112, Vol. 16)
Reference: Sahih al-Bukhari 7054
In-book reference: Book 92, Hadith 7
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 9, Book 88, Hadith 177