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