Al-Kāfi - The Book of Haj

Chapter: The Rare Ahadith about Tawaf ِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ أَحْ٠َّدٍ عَنْ عَبْدِ الْكَرِي٠ْرٍو عَنْ أَيُّوبَ أَخِي أُدَيْ٠ٍ قَالَ قُلْتُ لأَبِي عَبْدِ الله (عَلَيْهِ السَّلاَ٠) الْقِرَاءَةُ وَأَنَا أَطُوفُ أَفْضَلُ أَوْ أَذْكُرُ الله تَبَارَكَ وَتَعَالَى قَالَ الْقِرَاءَةُ قُلْتُ فَإِنْ ٠َرَّ بِسَجْدَةٍ وَهُوَ يَطُوفُ قَالَ يُو٠ِىُ بِرَأْسِهِ إِلَى الْكَعْبَةِ.

He (the Imam) said, ‘Reading is more virtuous.’ I then asked, ‘What happens if one comes across a passage for which Sajdah (prostration) is obligatory.’ He (the Imam) said, ‘He must make a gesture with his head toward al-Ka‘bah.’” شهور - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (18/57))