And as regards the soul, even though many authors have judged that it is very difficult to discover its nature, and some have even dared to say that human reasoning convinces us that it perishes along with the body, and that we believe the contrary by faith alone, nonetheless because the Council of the Lateran held in the reign of Leo condemns these people (session, and explicitly enjoins Christian philosophers to refute their arguments, and to make every effort to prove the truth, I did not hesitate to tackle this issue as well.