'When Ramadan begins, the gates of Paradise are opened, the gates of Hell are closed, and the devils are chained up." (Using translation from Nasāʾī 2099)
"إذَا جَاءَ رمضانُ فتِّحتْ أبْوابُ الرَّحمةِ، وغُلِّقَتْ أبْوابُ جهنَّمَ، وسُلسِلت الشياطينُ".