A good composition is like a good conversation - every element has its place and purpose.
The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.
科学中最重要的不是获得新的事实,而是发现新的思考方式。
网络不仅仅是连接机器,它连接的是人。