How to read it
- 1Start with motion, nature, and the four causes.
- 2Connect natural motion to act and potency.
- 3Use it as background for the Five Ways.
Aristotelian commentary
Aquinas's commentary on motion, nature, change, time, place, and causality.
Date
1268-1269
Why it matters
It supplies the natural-philosophical background for the first way and for teleological accounts of nature.