You're posting more than five items here.
(But it also looks to me like someone is creating multiple accounts, coming through, and downvoting all recent comments. Other users, please look over recent comments and repair if this is the case.)
Mea culpa! Apparently I'm blind. I deleted all but the 5 highest voted quotes I had added.
A monthly thread for posting any interesting rationality-related quotes you've seen recently on the Internet, or had stored in your quotesfile for ages.