“…from Habashi ibn Junadah—who had witnessed the Farewell Pilgrimage.”
I say: Al-Razi did not accurately retain this sentence; because of his poor retention, it became confused for him, and he rendered it as: “He said it during the Farewell Pilgrimage!” He then placed it after the hadith! This is in addition to its contradicting Sa'd’s narration. Take note.
Now that you understand this, know that a man from among the fanatical Shi'ites—namely the shaykh 'Abd al-Husayn al-Musawi—committed the same error as al-Razi. Indeed, what he did was worse and more reprehensible, because he did it deliberately. In his book al-Muraja'at (p. 173), he wrote:
“15—His saying, peace and blessings be upon him, on the day of Arafat during the Farewell Pilgrimage: ‘Ali is from me, and I am from Ali; none may discharge duties on my behalf except I or Ali.’”
Then, in documenting it in a footnote, he said: “Ibn Majah transmitted it in the chapter on the virtues of the Companions, p. 92 of the first volume of his Sunan; as did al-Tirmidhi and al-Nasa'i in their two Sahih collections (!). It is hadith 2531, p. 153 of the sixth volume of al-Kanz. Imam Ahmad also transmitted it (p. 164 of the fourth volume of his Musnad) from the hadith of Habashi ibn Junadah through several routes, all of them authentic (!). It is sufficient for you that he narrated it from Yahya ibn Adam, from Isra'il ibn Yunus, from his grandfather Abu Ishaq al-Sabi'i, from Habashi; and all of these are authoritative transmitters according to the two Shaykhs. Whoever consults this hadith in Ahmad’s Musnad will know that it was indeed uttered during the Farewell Pilgrimage!”
I say—and Allah’s help is sought: These lines contain falsehoods. The first is his statement, “on the day of Arafat,” for it has absolutely no basis in any of the narrations. Rather, he fabricated this addition in order to magnify and dramatize the matter, and then repeated it in different words, saying (p. 194): “Then, on the Day of Standing at Arafat, he called out to the people: ‘Ali is from me …’”