Isezerano rishya Imana yarishyizeho ari indahiro y'ibyo izakora, idashingiye ku bushobozi bw'abantu.How to differentiate the Old Testament from the New.Abagalatiya Ibyo mvuze ni ibi: ni uko isezerano Imana yasezeranije mbere, ritakuweho n'amategeko yaje hashize imyaka magana ane na mirongo itatu, ngo aryice cyangwa avuguruze uwarisezeranije. Kuko iyo umurage uva mu mategeko waba utakivuye mu byasezeranijwe, ariko dore Imana yawuhaye Aburahamu iwumusezeranije.