Muwatta Malik, 354

Yahya related to me from Malik from Abdullah ibn Dinar from Abdullah ibn Umar that the Messenger of Allah, may Allah bless him and grant him peace, used to pray on his mount while travelling, whichever way it was facing. Abdullah ibn Dinar said, "Abdullah ibn Umar would also do that

Abdallah Ibn Omar a rapporté que l'Envoyé d'Allah (salallahou alayhi wa salam) r (Sur lui la grâce et la paix d'Allah) en voyageant, faisait la prière tout en étant sur sa monture, quelque soit sa direction» (Il s'agit des prières surérogatoires)». Abdallah Ibn Dinar ajouta que Abdallah Ibn Omar agissait ainsi»