Anas bin Malik (May Allah be pleased with him) said: The Messenger of Allah (ﷺ) said, "Spitting in the mosque is a sin, and its expiation is that the spittle should be buried in earth."[Al-Bukhari and Muslim].

Anas bin Malik (May Allah be pleased with him) said: The Messenger of Allah (ﷺ) said, "Spitting in the mosque is a sin, and its expiation is that the spittle should be buried in earth."[Al-Bukhari and Muslim].

عن أنس رضي الله عنه أن رسول الله صلى الله عليه وسلم ‏:‏ ‏ "‏البصاق في المسجد خطيئة، وكفارتها دفنها‏"‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏‏.‏