Summa Theologica

Ia q. 67 : On The Work Of Distinction In Itself (Four Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether the word "light" is used in its proper sense in speaking of spiritual things?
[Letter] [A4] 2. Whether light is a body?
[Letter] [A4] 3. Whether light is a quality?
[Letter] [A4] 4. Whether the production of light is fittingly assigned to the first day?