Narrated 'Uqba bin Sahban:
'Abdullah bin Mughaffal Al-Muzani who was one of those who witnessed (the event of) the tree, said, "The Prophet forbade the throwing of small stones (with two fingers)." 'Abdullah bin Al-Mughaffal Al-Muzani also said, "The Prophet also forbade urinating at the place where one takes a bath."
• Sahih al-Bukhari, Vol. 6, Book of Prophetic Commentary on the Qur'an, Hadith 365
• Sahih al-Bukhari, Book of Prophetic Commentary on the Qur'an, Hadith 365