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Always keep your foes confused. If they are never certain who you are or what you want, they cannot know what you are like to do next.

George R. R. Martin (2012). “George R. R. Martin's A Game of Thrones 5-Book Boxed Set (Song of Ice and Fire Series): A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, and and A Dance with Dragons”, p.2138, Bantam
Always keep your foes confused. If they are never certain who you are or what you want, they cannot know what you are like to do next.