Security is not a product, but a process.
说再见就是死去一点点。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
沉默是快乐的最佳使者：如果我能说出有多快乐，那我的快乐就很小了。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
The only way to get rid of a temptation is to yield to it.