unless it be such [of them] as have ties with people to whom you yourselves are bound by a covenant, or such as come unto you because their hearts shrink from [the thought of] making war either on you or on their own folk - although, if God had willed to make them stronger than you, they would certainly have made war on you. Thus, if they let you be, and do not make war on you, and offer you peace, God does not allow you to harm them.