Guys, if you’re reading this: It wasn’t your fault. You did what you had to do. In your position I would have done the same thing. I don’t blame you, and I’m glad you survived.
-- Mark Watney (Chapter 1 paragraph Page 2)

Importance: Mark has been lost in space. He was on a mission to Mars and he was abandoned by the rest of the crew who made it back to earth. He is writing a daily log in which he tells them he doesn’t blame them in hopes that they may someday read his journal.

I’m no stranger to Mars. I’ve been here a long time. But I’ve never been out of sight of the Hab before today. You wouldn’t think that would make a difference but it does.
-- Mark Watney (Chapter 7 paragraph Page 75)

Importance: Although Mark Watney did not want to be in the Hab on Mars, it had become his home in...