(2) باب الْمُبَاهَاةِ فِي الْمَسَاجِدِ
It was narrated from Anas that the Prophet (ﷺ) said:
"One of the portents of the Hour will be that people will show off in building Masjids." (RU)
Reference (RU): Sunan an-Nasa'i 689 (RU)
In-book reference (RU): Book 8, Hadith 2 (RU)
English translation (RU): Vol. 1, Book 8, Hadith 690 (RU)