The Statement of Allah the Most High: "...When they gave their Bai'a (pledge) to you (O Muḥammad pbuh) under the tree..." (V.48:18)

Sahih al-Bukhari · Book 65 · Hadith 4842

وَعَنْ عُقْبَةَ بْنِ صُهْبَانَ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ الْمُغَفَّلِ الْمُزَنِيِّ، فِي الْبَوْلِ فِي الْمُغْتَسَلِ‏.‏

`Abdullah bin Al-Mughaffal Al-Muzani also said: "The Prophet (ﷺ) also forbade urinating at the place where one takes a bath."

Sahih al-Bukhari · Book 65 · Hadith 4843

حَدَّثَنِي مُحَمَّدُ بْنُ الْوَلِيدِ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ خَالِدٍ، عَنْ أَبِي قِلاَبَةَ، عَنْ ثَابِتِ بْنِ الضَّحَّاكِ ـ رضى الله عنه ـ وَكَانَ مِنْ أَصْحَابِ الشَّجَرَةِ‏.‏

Narrated Thabit bin Ad-Dahhak: who was one of the companions of the tree (those who swore allegiance to the Prophet (ﷺ) beneath the tree at Al-Hudaibiya):

Sahih al-Bukhari · Book 65 · Hadith 4844

حَدَّثَنَا أَحْمَدُ بْنُ إِسْحَاقَ السُّلَمِيُّ، حَدَّثَنَا يَعْلَى، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ سِيَاهٍ، عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ، قَالَ أَتَيْتُ أَبَا وَائِلٍ أَسْأَلُهُ فَقَالَ كُنَّا بِصِفِّينَ فَقَالَ رَجُلٌ أَلَمْ تَرَ إِلَى الَّذِينَ يُدْعَوْنَ إِلَى كِتَابِ اللَّهِ‏.‏ فَقَالَ عَلِيٌّ نَعَمْ‏.‏ فَقَالَ سَهْلُ بْنُ حُنَيْفٍ اتَّهِمُوا أَنْ…

Narrated Habib bin Abi Thabit: I went to Abu Wail to ask him (about those who had rebelled against `Ali). On that Abu Wail said, "We were at Siffin (a city on the bank of the Euphrates, the place where me battle took pl…