مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3313
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Sa’eed bin Jubair that Ibn ‘Abbas (رضي الله عنه) said: Thursday and what a Thursday! Then I (Sa’eed) saw his tears on his cheeks, glistening like strings of pearls. He said: The Messenger of Allah (ﷺ) said: “Bring me the tablet and the inkpot - or the shoulder blade-and I will write for you a document, so you will not go astray after that." They said: (Do you think the Messenger of Allah (ﷺ) is delirious?!
Musnad Ahmad 3336Its isnad is saheeh, al-Bukhari (3053) and Muslim (1637)]