حَدَّثَنَا قُتَيْبَةُ حَدَّثَنَا أَبُو عَوَانَةَ عَنْ قَتَادَةَ عَنْ أَنَسِ بْنِ مَالِکٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ الْبُزَاقُ فِي الْمَسْجِدِ خَطِيئَةٌ وَکَفَّارَتُهَا دَفْنُهَا قَالَ أَبُو عِيسَی وَهَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ
جامع ترمذی · Hadith 572
Anas bin Malik narrated that : the Messenger of Allah said: To spit in the Masjid is a sin, and burying it is its atonement.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020