密码学的本质是允许在存在对手的情况下进行通信。

The art of the past is being mystified because a privileged minority is striving to invent a history which can retrospectively justify the role of the ruling class.

Now,let me dispel a few rumours so they don't fester into facts.

I'm not a perfectionist, but I like to feel that things are done well. More important than that, I feel an endless need to learn, to improve, to evolve.

The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.