حِصْنُ الْمُسْلِمِ
Hisn al-Muslim 219
Fortress of the Muslim (Hisn al-Muslim)
Excellence of sending prayers upon the Prophet (ﷺ)
قَالَ النَّبِيُّ صلى الله عليه وسلم: (مَنْ صَلَّى عَلَيَّ صَلاَةً صَلَّى اللَّهُ عَلَيْهِ بِهَا عَشْراً)
-- The Prophet (ﷺ) said: "Whoever prays for Allah's blessings upon me once, will be blessed for it by Allah ten times." Reference: Muslim 1/288.
Hisn al-Muslim, 219