4. It follows then, as of course, that these men must either receive the rest of his narrative, or else reject these parts also. For no persons of common sense can permit them to receive some things recounted by Luke as being true, and to set others aside, as if he had not known the truth. And if indeed Marcion’s followers reject these, they will then possess no Gospel; for, curtailing that according to Luke, as I have said already, they boast in having the Gospel [in what remains]. But the followers of Valentinus must give up their utterly vain talk; for they have taken from that [Gospel] many occasions for their own speculations, to put an evil interpretation upon what he has well said. If, on the other hand, they feel compelled to receive the remaining portions also, then, by studying the perfect Gospel, and the doctrine of the apostles, they will find it necessary to repent, that they may be saved from the danger [to which they are exposed].