A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable.
心理学应关注心灵如何帮助我们适应环境。
The important thing is not to stop questioning. Curiosity has its own reason for existing.
As long as man continues to be the ruthless destroyer of lower living beings， he will never know health or peace. For as long as men massacre animals， they will kill each other.
我学得越多，就越意识到自己不知道的还有多少。