Hisham bin Urwah narrates from his father that Umar (may Allah be pleased with him) was urging his camel forward quickly in the Valley of Muhassir while reciting this verse: "Its saddle is coming towards You in restlessness. Its religion is contrary to the religion of the Christians."
Hadith Referenceمسند الإمام الشافعي / كتاب الحج / 1012
Hadith Takhrijصحیح من غیر ھذا الطریق أخرجہ البیہقی: 5 / 126 - وفی معرفۃ السنن والآثار لہ (3050) وابن ابی شیبہ (1564)۔