The Child of Adam is Hollow; thus He must Eat Food
Al-Kāfi|Volume 6|Book 5|Chapter 41
عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ هِشَامٍ عَنْ زُرَارَةَ عَنْ أَبِي جَعْفَرٍ ( عليه السلام ) قَالَ إِنَّ اللَّهَ عَزَّ وَ جَلَّ خَلَقَ ابْنَ آدَمَ أَجْوَفَ .
2. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hisham from Zurarah who has said the following: “Abu Ja‘far عليه السلام, has said, ‘Allah, most Majestic, most Glorious, has created the child of Adam hollow.’”
- Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (22/98)
- Ṣaḥīḥ al-Kāfī