Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) said: Had I not heard the Prophet (peace and blessings be upon him) saying: "Indeed Allah Almighty will benefit this religion even through Christians of Rabi'ah on the bank of the Euphrates," I would have had every Bedouin either killed or he would have accepted Islam.
Al-Bazzar recorded it, and its narrators are the narrators of the Sahih, except Abdullah bin Umar al-Qurashi, and he is thiqah (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الجهاد / 9565
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه البزار فى المسند (1723) اخرجه أبو يعلى فى المسند (236)»