Narrated Zaid bin Thabit [may Allah be pleased with him]:
that the Prophet (ﷺ) looked towards Yemen and said: "O Allah direct their hearts and bless us in our Sa' and our Mudd." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3934 (JA)
Arabic reference (JA): Book 49, Hadith 4313 (JA)