The Messenger of Allah ﷺ said, "The people of Yemen have come to you. They are the gentlest in heart and the most tender in feeling. Faith is Yemeni, and wisdom is Yemeni."
حدثنا قتيبة حدثنا عبد العزيز بن محمد عن محمد بن عمرو عن أبي سلمة
قال رسول الله ﷺ أتاكم أهل اليمن هم أضعف قلوبا وأرق أفئدة الإيمان يمان والحكمة يمانية
[Its isnad is hasan] Ahmad narrated it: 502/2, no. 10534, from the hadith of Muhammad bin Amr Laythi with the same chain. Bukhari, no. 3499, and Muslim, no. 87/52, narrated it from the hadith of Abu Salama with the same chain.On this topic there are also narrations from Ibn Abbas [Bazzar (Kashf Astar): 316/3, 317, no. 2837], Abu Masud (Uqbah bin Amr Ansari) [Bukhari, no. 3302, and Muslim, no. 51], and Ibn Masud [Tabarani in Kabir: 113/10, no. 10055].