Before we study Zen, the mountains are mountains and the rivers are rivers. While we are studying Zen, however, the mountains are no longer mountains and the rivers are no longer rivers. But then, when our study of Zen is completed, the mountains are once again mountains and the rivers once again rivers.
-- Buddhist saying
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.