有一个你无法解决的问题总是好的。这意味着你有事情要做。
It is always good to have a problem that you cannot solve. It means you have something to work on.
In computing, turning the obvious into the useful is a living definition of the word 'frustration'.
历史是一个庞大的预警系统。
The real competition is not between companies, but between technologies and visions.