(3) باب فَضْلِ شَهْرِ رَمَضَانَ
It was narrated from Abu Hurairah that the Messenger of Allah said:
"When the month of Ramadan begins, the gates of Paradise are opened and the gates of Hell are shut, and the devils are fettered."
Reference: Sunan an-Nasa'i 2097
In-book reference: Book 22, Hadith 8
English translation: Vol. 3, Book 22, Hadith 2099