(30) باب الْبُصَاقِ فِي الْمَسْجِدِ
It was narrated that Anas said:
"The Messenger of Allah (ﷺ) said: 'Spitting in the Masjid is a sin, and its expiation is to bury it.'" (FR)
Reference (FR): Sunan an-Nasa'i 723 (FR)
In-book reference (FR): Book 8, Hadith 36 (FR)
English translation (FR): Vol. 1, Book 8, Hadith 724 (FR)