Abdullah bin Umar reported,
The Messenger of Allah ﷺ saw some spittle on the wall of the qiblah and scraped it off. Then he turned to the people and said, "When one of you is praying, let him not spit in front of his face, for Allah 
is before his face when he prays."
Nasai 725
Sahihأخبرنا قتيبة عن مالك عن نافع
عن ابن عمر
أن رسول الله ﷺ رأى بصاقا في جدار القبلة فحكه ثم أقبل على الناس فقال إذا كان أحدكم يصلي فلا يبصقن قبل وجهه فإن الله عز وجل قبل وجهه إذا صلى
النسائي 725صحيح
Contents
Reference
Commentary
Ayat
Collection
Sunan Nasai Sughra
Book
Mosques
Chapter
Prohibition of spitting in the direction of the masjid's qiblah
Numbering
Darussalam 725
Details
Collection
Sunan Nasai Sughra
Book
Mosques
Chapter
Prohibition of spitting in the direction of the masjid's qiblah
Numbering
Darussalam 725
Ayat
No annotations are available.
Reference
Commentary
Darussalam
Muslim reported it in "Masajid," hadith no. 51/547 (see the previous hadith from Qutayba), and Bukhari in "Salah," in the chapter on scratching off spit with the hand from the masjid, hadith no. 406, from the hadith of Malik with this wording. It is also in the Muwatta (Yahya's version), 1/194, and in the Kubra, hadith no. 803.