صَحِيحُ مُسْلِمٍ
Sahih Muslim 549
The Book of Mosques and Places of Prayer
The prohibition of spitting in the masjid, during prayer and at other times. The prohibition of a praying person spitting in front of him or to his right
وَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، عَنْ مَالِكِ بْنِ أَنَسٍ، فِيمَا قُرِئَ عَلَيْهِ عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم رَأَى بُصَاقًا فِي جِدَارِ الْقِبْلَةِ أَوْ مُخَاطًا أَوْ نُخَامَةً فَحَكَّهُ .
'A'isha reported: The Messenger of Allah (ﷺ) saw spittle or snot or sputum, sticking to the wall towards Qibla and scratched it off.
Sahih Muslim, 549Sahihصحيح