无用之用，方为大用。
有人自认为在做有用的事，却收效甚微；有人看似在做“无用”之功却流芳后世，引为大用。
很多高明人士经常耸人听闻地声称的所谓“真实世界的复杂性”实际上不过是他们自己脑子里的自相矛盾。
The only limit to our realization of tomorrow is our doubts of today.
Perhaps it is better to wake up after all, even to suffer, rather than to remain a dupe to illusions all one's life.
In the end, the goal of computer science is not just to build faster machines, but to deepen our understanding of the universe.
音乐是心灵的桥梁，能跨越一切障碍。
视角值80个智商点。
