وَعَنْ أَبِي مُوسَى قَالَ: كُنْتُ مَعَ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ذَاتَ يَوْمٍ فَأَرَادَ أَنْ يَبُولَ فَأَتَى دَمِثًا فِي أَصْلِ جِدَارٍ فَبَال ثُمَّ قَالَ: «إِذَا أَرَادَ أَحَدُكُمْ أَنْ يَبُولَ فليرتد لبوله» . رَوَاهُ أَبُو دَاوُد
One day when I was with the Prophet he wanted to pass water, so he went to some soft ground at the foot of a wall and did it, after which he said, "When any of you wishes to pass water, he should look for to do it in.” Abu Dawud transmitted it.
Source: Mishkat al-Masabih — repository translation · Al-Khatib Al-Tabrizi — authenticity/grade metadata requires independent source review · Sunnah.comAudio not available for the selected reciter.
Source: Mishkat al-Masabih — repository arabic · Al-Khatib Al-Tabrizi · Sunnah.com