The Messenger of Allah ﷺ said, giving glad tidings to his companions, "The month of Ramadan has come to you, a blessed month in which Allah has made fasting obligatory upon you. During it, the gates of Paradise are opened, the gates of Hell are closed, and the devils are chained. In it is a night better than a thousand months. Whoever is deprived of its goodness has truly been deprived."
حدثنا عفان حدثنا حماد بن زيد أخبرنا أيوب عن أبي قلابة
قال رسول الله ﷺ يبشر أصحابه قد جاءكم شهر رمضان شهر مبارك افترض الله عليكم صيامه يفتح فيه أبواب الجنة ويغلق فيه أبواب الجحيم وتغل فيه الشياطين فيه ليلة خير من ألف شهر من حرم خيرها فقد حرم
Its isnad is sahih, and it has passed at , and it is found in Nasai 4/129 with similar wording, and Ibn Abu Shayba 3/1, while the rest have different wording.8970m - Affan narrated to us, Wahib narrated to us, Ayub narrated to us with this same isnad, similarly. Sahih (8970m). Its isnad is sahih.