The Messenger of Allaah -sallAllaahu alayhi wa sallam- used to give good news to his Companions with the arrival of Ramadan, he would say:
'Indeed the month of Ramadan has arrived, a blessed month. Allaah has prescribed fasting for you. In this month the doors of Paradise are opened and the doors of hell are closed. The devils are shackled. In Ramadan there is a night better than a thousand months, whoever is prohibited from the good in that night then indeed he has been prohibited from good.'
[Collected by al- Mundhari in Targheeb wa Tarheeb and authenticated by Albaani 1/490]