D'ONOFRIO, S. R.(1998). The metaphor of light and the active intellect as final cause: De Anima III.5. En The Paideia Archive: Twentieth World Congress of Philosophy. (pp. 112 - 120). BOSTON. Paideia Project On-Line. Recuperado de: http://www.bu.edu/wcp/Papers/Anci/AnciDono.htm