Muhammad bin Bashr bin al-Farafsa محمد بن بشر بن الفرافصة العبدي · The Book of the Sunnah

We said to Zaid bin Arqam: 'Tell us a Hadith from the Messenger of Allah (ﷺ).' He said: 'We have grown old and have forgotten, and (narrating) Ahadith from the Messenger of Allah (ﷺ) is difficult (not a simple matter).'"

"The Messenger of Allah (ﷺ) recited the following Verse: 'It is He Who has sent down to you (Muhammad) the Book (this Qur'an). In it are verses that are entirely clear, they are the foundations of the Book; and others not entirely clear (up to His saying: ) 'And none receive admonition except men of understanding.' Then he said: 'O 'Aishah, if you see those who dispute concerning it (the Qur'an), they are those whom Allah has referred to here,…

"When 'Umar became Muslim, Jibril came down and said: 'O Muhammed! The people of heaven are rejoicing because of 'Umar's Islam.'"