Book I: Chapter 5 We Have Cause to Be Uneasy Summary and Analysis

The source of unease is, according to Lewis, to be found in the facts he claims to have established—that the Law of Nature exists, that humans have a very hard time following the Law, that God is behind the Law, and that the human condition is in desperate shape unless something is done to bring humans more in line with the Law. The something to be done is understanding that following the Law is difficult, that God is seriously adamant about following the Law, and that we are fooling ourselves if we think an easier way exists.

Lewis uses a few more analogies to make his case. In mathematics, it does not matter if one thinks a certain way to perform the math...