Whole Book Quotes

What do you think are the two most important quotes in all of the book you've read so far?  Why is each important to the book as a whole?  You may not use a quote that you already posted on the regular quotes page.

The Ending

You may do this one once you've finished the book.  What do you think of the ending?  Was it satisfying or not?  What, if anything, would you change and why?