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." (RU)
English reference (RU): Vol. 1, Book 46, Hadith 3935 (RU)
Arabic reference (RU): Book 49, Hadith 4314 (RU)