On Two Souls, Against the Manichæans: Whether Even Vices Themselves as Objects of Intellectual Apprehension are to Be Preferred to Light as an Object of Sense Perception, and are to Be Attributed to God as Their Author. Vice of the Mind and Certain Defects are Not Rightly to Be Counted Among Intelligible Things. Defects Themselves Even If They Should Be Counted Among Intelligible Things Should Never Be Put Before Sensible Things. If Light is Visible by God, Much More is the Soul, Even If Vicious, Which in So Far as It Lives is an Intelligible Thing. Passages of Scripture are Adduced by the Manichæans to the Contrary · Theoria