It was narrated that a woman from (the tribe of) Banu 'Abdul-Ashhal said:
"I said to the prophet: 'Between the mosque and I there is a filthy path.' He said: 'After that is there a cleaner path?' I said: 'Yes.' He said: 'This is (a remedy) for that.'" (ES)
English reference (ES): Vol. 1, Book 1, Hadith 533 (ES)
Arabic reference (ES): Book 1, Hadith 576 (ES)