Sa'id bin Jubayr سعيد بن جبير الأسدي · The Book of Wills

Thursday, (and then said): What is this Thursday? He then wept so much that his tears moistened the pebbles. I said: Ibn 'Abbas, what is (significant) about Thursday? He (Ibn 'Abbas) said: The illness of Allah's Messenger (ﷺ) took a serious turn (on this day), and he said: Come to me, so that I should write for you a document that you may not go astray after me. They (the Companions around him) disputed, and it is not meet to…

Thursday, and what about Thursday? Then tears began to flow until I saw them on his cheeks as it they were the strings of pearls. He (the narrator) said that Allah's Messenger (ﷺ) said: Bring me a shoulder blade and ink-pot (or tablet and inkpot), so that I write for you a document (by following which) you would never go astray. They said: Allah's Messenger (may peace upon him) is in the state of unconsciousness.

"Sufyan narrated to us from Az-Zuhri, from 'Ubaidullah bin 'Abdullah, from Ibn 'Abbas, that Sa'd said: 'My mother died and there was an (outstanding) vow that she had to fulfill. I asked the Prophet and he told me to fulfill it on her behalf.'"

"Sa'd bin 'Ubadah Al-Ansari consulted the Messenger of Allah about an (outstanding) vow that his mother had to fulfill, but she died before doing so. The Messenger of Allah said: 'Fulfill it on her behalf.'"