Arabic (Original)
حَدَّثَنَا قُرَّانُ بْنُ تَمَّامٍ عَنْ عُبَيْدِ اللَّهِ عَنِ نَافِعٍ عَنِ ابْنِ عُمَرَ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ يُصَلِّي عَلَى رَاحِلَتِهِ حَيْثُ تَوَجَّهَتْ بِهِ.
English Translation
Qurran ibn Tammam told us, from Ubaydullah, from Nafi', from Ibn Umar, that the Messenger of Allah, peace and blessings be upon him, used to pray upon his mount, wherever it turned.