Let's get started with Nagel and Newman (Section I)

Let's ease our way into this. I haven't read the Nagel and Newman book in a few years. But I remember it as a short and highly readable overview of the proof. I have a 1986 softcover edition by NYP Press. Today, I want to write about Section I - Introduction. It's really short: under 5 pages.

First, a short quote that makes me feel better about my past failures at REALLY understanding the proof of GIT: