“If any of you spits in my mosque or in a mosque, let him dig and make the hole deep, or else let him spit into his garment until he carries it outside.”

Al-Mundhirī passed over this chain without comment in his Abridgement, and it is eligible for a ḥasan grading.

Abū Mawdūd—whose name is ʿAbd al-ʿAzīz ibn Abī Sulaymān—was deemed trustworthy by Abū Dāwūd, and a number of reliable narrators transmitted from him.

Regarding ʿAbd al-Raḥmān ibn Abī Ḥadrad al-Aslamī, al-Dāraquṭnī said, “There is no problem with him,” and al-Taqrīb describes him as “acceptable.” The same verdict is given there for Abū Mawdūd as well. Allah knows best.

He also said: “The deeds of my community, both their good and their bad, were presented to me. Among their good deeds I found the removal of something harmful from the road, and among their bad deeds I found phlegm left in the mosque without being buried.”

This hadith is narrated by Abū Dharr (may Allah be pleased with him) and was recorded by Muslim, Ibn Mājah, al-Ṭayālisī, and Aḥmad.

He further said: “If one of you expectorates in the mosque, let him hide his phlegm lest it touch the skin or garment of a believer and thereby harm him.”