Hadith 1308
Sayyiduna Abu Dharr (may Allah be pleased with him) reports that the Noble Prophet (peace and blessings be upon him) said: "The good and bad deeds of my Ummah were presented before me. Among their excellent and good deeds, I saw the act of removing something harmful from the road. And among their bad deeds, I saw spittle in the mosque that had not been buried."