(49) باب تَتْرِيبِ الْكِتَابِ
It was narrated from Jabir that the Messenger of Allah(ﷺ) said:
"Put dust on your writings, because it is better, and dust is blessed (being humble in correspondence brings good results)."
Reference: Sunan Ibn Majah 3774
In-book reference: Book 33, Hadith 119
English translation: Vol. 5, Book 33, Hadith 3774