Spying is a like a game of chess: Sometimes you have to withdraw, sometimes you have to sacrifice one of your pieces to win - preferably a knight rather than a king or queen.
![Spying is a like a game of chess: Sometimes you have to withdraw, sometimes you have to sacrifice one of your pieces to win - preferably a knight rather than a king or queen.](http://cdn.myquotes.org/images/john-rhys-davies/spying-is-a-like-a-game-of-chess-sometimes-you-have-to-withdraw-sometimes-you-have-to-sacrifice-one-of.jpg)
Spying is a like a game of chess: Sometimes you have to withdraw, sometimes you have to sacrifice one of your pieces to win - preferably a knight rather than a king or queen.