Hadith on Ramadhan

`Arfajah said "We were with `Utbah ibn Farqad while he was discussing Ramadan. A companion of the Prophet entered upon the scene. When `Utbah saw him, he became shy and stopped talking. The man [the companion] spoke about Ramadan, saying "I heard the Messenger of Allah say during Ramadan: "The gates of Hell are closed, the gates of Paradise are opened, and the devils are in chains. An angel calls out : 'O you who intend to do good deeds, have glad tidings. O you who intend to do evil, refrain, until Ramadan is completed. (H.R Ahmad and An Nasai)