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." (FR)
English reference (FR): Vol. 1, Book 46, Hadith 3934 (FR)
Arabic reference (FR): Book 49, Hadith 4313 (FR)