It's great to be able to stop When you've planned a thing that's wrong, And be able to do something else instead-- Fred M. Rogers, "What Do You Do?"
Which he recited right in front of a senate committee in the process of trying to get more funding for PBS, I think it was.
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.