Nafi' said, "Ibn 'Umar needed something from Mu'awiya and he wanted
to write to him. People said, 'Begin with his name.' They kept on at him
until he wrote, 'In the Name of Allah, the All-Merciful, Most Merciful,
to Mu'awiya.'"
Narrated Anas ibn Sirin said, "A man wrote in the presence of Ibn 'Umar,
'In the Name of Allah, the All-Merciful, Most Merciful, to so-and-so.'
Ibn 'Umar forbade him and said, 'Say:
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."
