Recently I used a phrase in my article: "It fareth between thee and me as it doth between a player at the chess and a looker on, for he that looketh on seeth many draughts that the player considereth nothing at all." I like this phrase a lot. The phrase seems to originate from William Fullonius's Latin play, The Comedy of Acolastus. In plain English, the stander-by sees more than he who plays. In Chinese, it means "當局者迷，旁觀者清".
For example: please click on the link to my article. http://elisaenglish.pixnet.net/blog/post/40322797