"When the month of Ramadan begins, the gates of Paradise are opened and the gates of Hell are shut, and the devils are fettered." (Using translation from Nasāʾī 2097)   

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «إِذَا جَاءَ رَمَضَانُ فُتِحَتْ أَبْوَابُ السَّمَاءِ وَغُلِّقَتْ أَبْوَابُ النَّارِ وَصُفِّدَتِ الشَّيَاطِينُ»