(1) In MSS J, D and T the verb appears as taradda, meaning “to hurl down, to fall into a well, or to plunge from a mountain,” and the like; yanzai means “to pull out, to uproot.” See Mukhtar al-Sihah, s.v. r-d-y (p. 240) and n-z-ʿ (p. 654). (2) Sunan Abi Dawud, Book of Etiquette, chapter “Tribal Partisanship,” hadith no. 5118 (5:341); its chain is sound. Abi Dawud also records it as a mawquf report from Ibn Masud under no. 5117 (5:340), same source. (3) MS B reads: ʿala al-tadaʿi (“by mutual rallying”). (4) The printed edition has: fi al-asmaʾ (“concerning names”). (5) The printed edition adds: wa-fi hadha al-intisab (“and regarding this affiliation”). (6) That is, affiliation to the Muhajirun and the Ansar, as in the preceding hadith: “O Muhajirun!, O Ansar!” (7) Muhammad ibn Ishaq ibn Yasar ibn Khiyar al-Muttalibi, their mawla, originally from Medina and later resident in Iraq. A prolific hafiz and the famous author of the Maghazi, he was widely esteemed for his learning and memory. Although a few—chiefly Malik and Hisham ibn Urwah—criticised him, leading scholars defended him and declared him reliable. Abu Zurʿah said: “All the major scholars have transmitted from Ibn Ishaq; the hadith specialists have examined him and found him truthful and upright.” Among those who rated him trustworthy are Ibn Maʿin, al-ʿAjli, Ibn Saʿd, Ibn Hibban and Ibn al-Mubarak. Some objected to his use of Israiliyyat, his lenience in narrating maghazi and sirah material, and his occasional tadlis. Muslim cites him in supporting chains, and al-Bukhari quotes him in suspended form. His greatest contribution was compiling and writing the prophetic sirah. He died in 152 AH. See Ibn Hajar, Tahdhib al-Tahdhib 9:38–46, no. 51.