Arabic (Original)
حَدَّثَنَا يَحْيَى عَنْ سُفْيَانَ حَدَّثَنِي عَبْدُ اللَّهِ بْنُ دِينَارٍ سَمِعْتُ ابْنَ عُمَرَ قَالَ كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُصَلِّي عَلَى رَاحِلَتِهِ حَيْثُمَا تَوَجَّهَتْ بِهِ.
English Translation
Yahya narrated to us, from Sufyan - 'Abd Allah ibn Dinar narrated to me - I heard Ibn 'Umar say: The Messenger of Allah, peace and blessings be upon him, used to pray on his riding mount, wherever it turned.