You Can Play Go But Don't Let Go Play You
Keywords: Proverb
Don't be passive when playing Go. It's not fun and not good for the brain. A pro said play the move you want to play.[1] So every stone that you place on the board must be a sincere expression of your ideas.
[1] The pro was Takemiya: see, for example, the AGA E-Journal 7 August 2008