Sahih (Sahih Muslim)
حَدَّثَنَا أَبُو الرَّبِيعِ الزَّهْرَانِيُّ، أَنْبَأَنَا حَمَّادٌ، حَدَّثَنَا أَيُّوبُ، حَدَّثَنَا مُحَمَّدٌ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " جَاءَ أَهْلُ الْيَمَنِ هُمْ أَرَقُّ أَفْئِدَةً الإِيمَانُ يَمَانٍ وَالْفِقْهُ يَمَانٍ وَالْحِكْمَةُ يَمَانِيَةٌ " .
It is narrated on the authority of Abu Huraira that the Messenger of Allah observed:There have come the people of Yemen; they are tender of hearts, the belief is that of the Yemenites, the understanding (of the faith) is that of the Yemenites and sagacity is that of the Yemenites