صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الصلاة على البسطChapters on Praying on Mats
(420) بَابُ ذِكْرِ الزَّجْرِ عَنْ وَضْعِ الْمُصَلِّي نَعْلَيْهِ عَنْ يَسَارِهِ إِذَا كَانَ عَنْ يَسَارِهِ مُصَلٍّ،420 Chapter: Prohibition of Placing One’s Sandals to the Left If Someone Is Praying There.
Hadith Q1016
يَكُونُ النَّعْلَانِ عَنْ يَمِينِ الْمُصَلِّي عَنْ يَسَارِهِ
Because in this way, the shoes of the person praying on his left side will be on the right side of the one praying.
