And perhaps there are people who not only took the trouble to know what Aristotle believed about the subject but even considered it very important to know whether, for example, Tertullian and Plutarch or others thought it was Aristotle's opinion that the soul was mortal, as there is good reason to think, even from La Cerda, if one reflects on the last part of the passage just cited, Porro Tertullianum, and the rest.