Categoria: Enéada IV, 5 (29)

Psychological Questions — III. About the Process of Vision and Hearing. IT IS UNCERTAIN WHETHER AN INTERMEDIARY BODY BE IMPLIED BY VISION. 1. Above we suggested the question whether it be possible to see without some medium such as the air or a diaphanous body; we shall now try to consider it. It has already…

Tractate 29 Fourth Ennead. Fifth tractate. Problems of the soul (3). [also entitled “On sight”]. 1. We undertook to discuss the question whether sight is possible in the absence of any intervening medium, such as air or some other form of what is known as transparent body: this is the time and place. It has…