(1) باب فَضْلِ شَهْرِ رَمَضَانَ
Abu Huraira reported Allah's Messenger (ﷺ) as saying:
When there comes the month of Ramadan, the gates of mercy are opened, and the gates of Hell are locked and the devils are chained, (IT)
Reference (IT): Sahih Muslim 1079 a (IT)
In-book reference (IT): Book 13, Hadith 1 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2361 (IT)