Abu Mas'ud al-Jurayri related to him that a man asked al-Hasan about reading, "In the Name of Allah, the All-Merciful, Most Merciful." He said, "That should be put at the beginning of letters."
Reference: Al-Adab Al-Mufrad 1123 In-book : Book 45, Hadith 7 English translation : Book 45, Hadith 1123
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