Sahih Muslim Book 42, Hadith Number 7111.Sahih Muslim Book 42. Piety and Softening Of Hearts Chapter : Excellence of Building Mosques. This hadith has been narrated on the authority of Ja’far with the same chain of transmitters with this variation (that the words are): “Allah would build for him a house in Paradise.” Related Previous Post Sahih Muslim Book 42, Hadith Number 7112. Next Post Sahih Muslim Book 42, Hadith Number 7110.