It might strike people as odd, though, that most or at least half of those quotes come from books arguing for Catholicism. (They're really good! Can LessWrong start a Chesterton-is-awesome meme maybe?)
Whether Chesterton gets a positive meme or not, he remains awesome! He had a singular talent for focusing a blazing spotlight on various kinds of intellectual foolishness. More remarkably, for someone of such immense literary and intellectual accomplishment, he had an unshakable faith in the good sense of the "average man".
I created a 2011 update to last year's Best of Rationality Quotes collection. (Here is the original.)
Best of Rationality Quotes 2011 (360kB page, 352 quotes)
The page was built by a short script (source code here) from all the LW Rationality Quotes threads so far. (We had such a thread each month since April 2009.) The script collects all comments with karma score 10 or more, and sorts them by score. Replies are not collected, only top-level comments.
A year ago commenters asked for various statistics and top-lists based on the data. This year I re-ran the scripts I wrote to answer those requests. (Source code for these is also at the above link, see the README.) I added the results as comments to this post: