(116) بَابُ إِمَاطَةِ الأذَى
Abu Dharr reported that the Messenger of Allah, may Allah blesshim and grant him peace, said, "I was shown the actions of my Community- both good and evil - and I found that one of their good actionsis removing harmful things from the road, I found that one of the evilactions was spit in the mosque which is not buried."
Reference: Al-Adab Al-Mufrad 230
In-book reference: Book 11, Hadith 10
English translation: Book 11, Hadith 230