Fortress of the Muslim (Hisn al-Muslim)

Allāhumma ṣalli wa sallim `alā nabiyyinā Muḥammad. O Allah, we ask for your peace and blessings upon our Prophet (ﷺ) Muhammad. (Recite ten times in Arabic.) Reference: The Prophet (ﷺ) said: "Who recites blessings upon me ten times in the morning and ten times in the evening will obtain my intercession on the Day of Resurrection." At-Tabarani reported this Hadith together with two chains of transmission. One of them is reliable (Jayyid). See Haythami's Majma'uz-Zawa'id 10/120, and Al-Albani's Sahihut-Targhib wat-Tarhib 1/273.