'Umarbin Khattab said:
"There are three things, if the Messenger ofAllah (ﷺ) had clarified them, that would have been dearer to methanthe world and everything in it: a person who leaves behind noheir,usury, and the caliphate." (JA)
English reference (JA): Vol. 4, Book 23, Hadith 2727 (JA)
Arabic reference (JA): Book 23, Hadith 2831 (JA)