What are two of the most important ideas presented in this reading, and what reasons or evidence did the author give to support each?

First: What are two of the most important ideas presented in this reading, and what reasons or evidence did the author give to support each? Write at least 150 words, and provide quotes from the chapter (including page numbers).
Second: How do these ideas apply to your experience? Is there an event or aspect of your life or in / of the world that the ideas help you to understand better? Does you experience give you reasons for disagreeing with the reading, completely or in part? Write at least another 150 words.