Chapter on Whose Testimony Must Be Rejected and Whose Testimony Must Be Accepted

And it was narrated by Al-Hasan ibn Mahbub, from Al-Ala', from Muhammad ibn Muslim, from Abu Ja'far Imam Muhammad ibn Ali Al-Baqir عليه السلام, who said: "The testimony of a slave from the people of the Qiblah (Muslims) is valid against the People of the Book (Jews and Christians)."