This order will continue to be dominant until there have been twelve Caliphs. The narrator says: Then he said something which I could not understand, and I said to my father: What did he say? My father told me that he said that all of them (Caliphs) would be from the Quraish.
قَالَ النَّبِيُّ ﷺ لاَ يَزَالُ هَذَا الأَمْرُ عَزِيزًا إِلَى اثْنَىْ عَشَرَ خَلِيفَةً قَالَ ثُمَّ تَكَلَّمَ بِشَىْءٍ لَمْ أَفْهَمْهُ فَقُلْتُ لأَبِي مَا قَالَ فَقَالَ كُلُّهُمْ مِنْ قُرَيْشٍ