Number 6: [referring to the chess game] Why do you use people?
Chessmaster: Some psychiatrists say it satisfies the desire for power. 'the only opportunity one gets here.
Number 6: That depends what side you're on.
Chessmaster: [quickly] I'm on my side.
Number 6: [quickly] Aren't we all.
Chessmaster: You must be new here. In time, most of us join the enemy - against ourselves.