***Thomas Aquinas's* De Aeternitate Mundi**: - *Context*: [Lateran IV] defined in 1215 that "God…creator of all visible and invisible things, of the spiritual and of the corporal; who by His own omnipotent power at once from the beginning of time created each creature from nothing (*de nihilo*), spiritual and corporal, namely, angelic and mundane, and finally the human, constituted as it were, alike of the spirit and the body" (Denz 428).