Abu Usaid al-Ansari reported the Messenger of Allah ﷺ as saying: when any of you enters the mosque he should invoke blessing on the prophet ﷺ and then he should say: O Allah, open to me the gates of thy mercy. And when he goes out, he should say: O Allah, I ask thee out of Thine abundance.

Haiwah bin Shuraih reported: I met Uqbah bin Muslim and said to him: it has been reported to me that someone has narrated to you from the prophet ﷺ that when he entered the mosque, he would say: I seek refuge in Allah, the Magnificent, and in His noble face, and in his eternal domain, from the accursed Devil. He asked: is it so much only? I said: Yes. He said: when anyone says so. The devil says: he is protected from me all the day long.

Sulaiman bin Surad said: Two men reviled each other in the presence of Prophet ﷺ. Then the eyes of one of them became red and his jugular veins swelled. The Messenger of Allah ﷺ said: I know a phrase by repeating which the man could get rid of the angry feelings: I seek refuge in Allah from the accursed devil. The man said: Do you see insanity in me.