1. Wherein is a partial inquiry into the nature of the world, and a more minute exposition of the things which preceded the genesis of man.
2. Why man appeared last, after the creation.
3. That the nature of man is more precious than all the visible creation.
4. That the construction of man throughout signifies his ruling power.
5. That man is a likeness of the Divine sovereignty.
6. An examination of the kindred of mind to nature: wherein by way of digression is refuted the doctrine of the Anomoeans.
7. Why man is destitute of natural weapons and covering.
8. Why man's form is upright, and that hands were given him because of reason; wherein also is a speculation on the difference of souls.
9. That the form of man was framed to serve as an instrument for the use of reason.
10. That the mind works by means of the senses.
11. That the nature of mind is invisible.
12. An examination of the question where the ruling principle is to be considered to reside; wherein also is a discussion of tears and laughter, and a physiological speculation as to the interrelation of matter, nature, and mind.
13. A rationale of sleep, of yawning, and of dreams.
14. That the mind is not in a part of the body; wherein also is a distinction of the movements of the body and of the soul.