唯一安全的系统是关闭的，浇筑在混凝土块中，并密封在有武装警卫的铅衬房间中。
The only secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.
用心不能杂乱，杂乱则心神恍惚不能集中；用心不要劳累，劳累则精神疲倦不能有所收获。
"I’m a firm believer in the theory that you only play your best when you’re having fun."