"A peace deal requires agreements, and you don't make agreements with your friends, you make agreements with your enemies."

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We are limited by our agreements on possibility. Agreement is a common exclusion of alternate possibilities. Agreement is the cement of social structure. Two or three gathered together, agreeing on what they are after, may create a subset in which their goals can be achieved, even though folly in the eyes of the world. The world in this case means a set of expectancies agreed upon, a set excluding other possibilities.

— Joseph Chilton Pearce