Narrated Abu Hurairah:
that the Messenger of Allah (ﷺ) said: "The people of Yemen have come to you. They are weaker in heart and softer in understanding, faith is Yemeni and wisdom is Yemeni." (ID)
English reference (ID): Vol. 1, Book 46, Hadith 3935 (ID)
Arabic reference (ID): Book 49, Hadith 4314 (ID)