Chapter on Virtues of Hajj
Man Lā Yaḥḍuruh al-Faqīh|Volume 2|Book 3|Chapter 2
وَ قَالَ لَهُ زَيْدٌ اَلشَّحَّامُ: أُخْرِجُ مِنَ اَلْمَسْجِدِ حَصَاةً قَالَ «فَرُدَّهَا أَوِ اِطْرَحْهَا فِي مَسْجِدٍ ».
Zayd Al-Shahham said to him (Abu Abdullah عليه السلام): "May I take a pebble out of the mosque?" Imam عليه السلام replied: "Return it or place it in another mosque."
- Ṣaḥīḥ al-Faqīh, p. 116