It is narrated from Hasan bin Jabir that he asked Sayyiduna Abu Umamah Bahili (may Allah be pleased with him) about writing down knowledge, so he replied: There is no harm in it.

Bashir bin Nahik said: I used to write down whatever I heard from Sayyiduna Abu Hurairah (may Allah be pleased with him). When I was about to leave him, I took what I had written to him and read it out to him and said, "This is what I have heard from you." He said, "That is correct."

Saeed bin Jubair said: I used to listen to hadith at night from Sayyiduna Abdullah bin Umar and Sayyiduna Abdullah bin Abbas (may Allah be pleased with them), and I used to write it down on the saddle's handle.

Sayyiduna Abdullah bin Amr (may Allah be pleased with them both) said: In my life, nothing is dearer and more beloved to me than Sadiqah and Wahat. «صادقه» is a collection of hadith and that scroll which I wrote from the Messenger of Allah (peace and blessings be upon him), and «وهط» is that land in Ta’if which (my respected father) Amr bin al-As gave in charity, upon which they used to work.

Abdul Malik bin Abdullah bin Abi Sufyan narrated from his uncle Amr bin Abi Sufyan that he heard Sayyiduna Umar bin Al-Khattab (may Allah be pleased with him) say: Preserve knowledge by writing it down.

Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) said: Preserve this knowledge by writing it down.

Uthman bin Hakeem narrated that I heard Saeed bin Jubair say: I was walking with Sayyiduna Ibn Abbas (may Allah be pleased with them) on the road to Makkah, and whenever he narrated any hadith, I would write it on the saddle's handle so that I could write it in my notebook in the morning.

Saeed bin Jubair said: I used to write in a scroll for Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both), and if nothing else was available, I would even write on a shoe.

Saeed bin Jubair said: I used to sit with Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) and write in a scroll until it would be filled, then I would turn over my shoe and write on its sole.

Ubaid (bin Mehran) Mukatib said: I saw people writing the Tafsir from Mujahid.