(3) باب فِي كِتَابَةِ الْعِلْمِ
It was narrated that Abu Saeed Al-Khudri said:
"We used not to write anything but the Tasha-hud and the Qur'an." (ID)
Reference (ID): Sunan Abi Dawud 3648 (ID)
In-book reference (ID): Book 26, Hadith 9 (ID)
English translation (ID): Book 25, Hadith 3641 (ID)