The relationship between humankind and nature.
Begins by asserting that humans need to develop their own sense of self and their own beliefs. He believes that solitary reflection within nature is the best way to accomplish this.
Outlines the four ways that humans can benefit from nature: nature as commodity sustains life; nature as beauty provides inspiration and sensual awareness; nature as language suggests that words are imperfect descriptors; and nature as discipline allows people to find self-fulfillment.
