People excel over one another in faith, and the superiority of the people of Yemen in faith Sahih Muslim 52 g
Arabic hadith text
وَحَدَّثَنَا عَبْدُ اللَّهِ بْنُ عَبْدِ الرَّحْمَنِ الدَّارِمِيُّ، أَخْبَرَنَا أَبُو الْيَمَانِ، أَخْبَرَنَا شُعَيْبٌ، عَنِ الزُّهْرِيِّ، بِهَذَا الإِسْنَادِ مِثْلَهُ وَزَادَ " الإِيمَانُ يَمَانٍ وَالْحِكْمَةُ يَمَانِيَةٌ
Translation
The same hadith has been narrated by Zuhri with the same chain of authorities with the addition
The belief is among the Yemenites, the sagacity is that of the Yemenites.