Those who permitted writing down knowledge

Al-Rabi' bin Sa'd said: I saw Jabir writing on tablets in the presence of Ibn Sabit.

Yahya bin Sa'id said that Abd al-Rahman bin Harmalah said: "I had a weak memory, so Sa'id bin al-Musayyib gave me permission to write."

The paternal uncle of Abd al-Malik bin Sufyan said: I heard Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) say: "Preserve knowledge by writing it down."

Yahya bin Abi Kathir said that Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: "Preserve knowledge by writing it down."

Yusuf bin Mahak said that Sayyiduna Abdullah bin Amr (may Allah be pleased with him) said: "I used to write down every hadith I heard from the Messenger of Allah (peace and blessings be upon him) so that I might remember it. Quraysh stopped me from doing this and said: 'You write down everything the Messenger of Allah (peace and blessings be upon him) says? Yet the Messenger of Allah (peace and blessings be upon him) is sometimes in a state of pleasure and sometimes in a state of anger!' He said: So I stopped writing, and I mentioned this to the Prophet (peace and blessings be upon him). He (peace and blessings be upon him) pointed to his tongue and said: 'Write, for by the One in whose Hand is my soul, nothing but the truth comes out of this tongue.'"

Ma'n said: Abd al-Rahman bin Abdullah brought out a book before me and said on oath that it was written in his father's own hand.

Mansur said that Ibrahim said: "There is no harm in writing down the atraf (the opening portions of hadith, as memory aids)."

Abu Kibran said: I heard al-Dahhak say: "When you hear something, write it down, even if it is on a wall."

Husayn bin Aqil said: Al-Dahhak dictated the rites of Hajj to me.

Bashir bin Nahik said: Whatever hadith I heard from Sayyiduna Abu Hurayrah (may Allah be pleased with him), I used to write it down. When I intended to part from him, I brought my written notebook and said: "These are the reports I have heard from you?" He said: "Yes."

Yahya bin Atiq said that Ibn Sirin said: "I used to meet Abidah with the atraf (the opening portions of hadith) and ask him."

Sa'id bin Jubayr said: I was with Sayyiduna Ibn Abbas (may Allah be pleased with them both), and whatever hadith I heard from him I would write on the front part of the saddle, and when I dismounted I would copy it into a notebook.

Ayyub said that Abu Qilabah said: "Writing is dearer to me than forgetting."

Ayyub said that Abu al-Malih said: "People find fault with us for writing, yet Allah, the Lord of Might, has said: 'The knowledge of it is with my Lord in a Book' [Ta-Ha: 52]."

Imam al-Sha'bi said: Whenever Abd al-Rahman bin Abdullah heard any hadith, he would write it down.

Abdullah bin Hanash said: I saw people in the presence of Sayyiduna al-Bara (may Allah be pleased with him) writing on their hands with reed pens.