It should be noted that some authentic religious texts stated the precedence of Arabs in general and Quraysh in particular, as you have read; therefore, it is incumbent on the Muslim to accept this ...

I have read the following text in Al-Bidayah wan-Nihayah by Ibn Katheer: On the Day of Saqeefah, The companions, may Allah be pleased with them, unanimously decided that the Muslim ruler must be from ...