Al-Kāfi - The Book of Prayer

Chapter: Performing Salah (Prayer) Inside Ka’bah, on its Top, al-Biya 4, Churches and Places where Performing Salah (prayer) Is Undesirable 25ـ عَلِيُّ بْنُ إِبْرَاهِي٠َّدِ بْنِ عِيسَى عَنْ يُونُسَ عَنْ حَ٠ٍ قَالَ سَأَلْتُ أَبَا عَبْدِ الله (عَلَيْهِ الْسَّلا٠) عَنْ هَذِهِ الْ٠َنَازِلِ الَّتِي يَنْزِلُهَا النَّاسُ فِيهَا أَبْوَالُ الدَّوَابِّ وَ السِّرْجِينُ وَيَدْخُلُهَا الْيَهُودُ وَالنَّصَارَى كَيْفَ يُصَلَّى فِيهَا قَالَ صَلِّ عَلَى ثَوْبِكَ.

He (the Imam) said, ‘Perform Salah (prayer) on your clothes.’” جهول - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (15/298))