Hadith 8:1071
Abu Bakr narrated to us, he said: Ibn Fudayl narrated to us, from Yazid, who said: Mujahid said: "If I were to perform Hajj from this land of yours—meaning Kufa—seventy times, I would perform an Umrah with every Hajj." He said: So I said, "Should I perform Qiran (combining Hajj and Umrah)?" He said, "No." He said, "Make it an Umrah."
حدثنا أبو بكر قال حدثنا بن فضيل عن يزيد قال قال مجاهد لو حججت من أرضك هذه يعني الكوفة سبعين حجة لجعلت مع كل حجة عمرة قال فقلت أقرن قال لا قال اجعلها عمرة