To write is to confront the ghosts of our past, to give them a voice, and perhaps, to set them free.
写作就是面对我们过去的幽灵,给它们一个声音,也许,让它们自由。
孔子说:“颜回真贤德!一篮饭,一瓢水,在陋巷,人人都愁闷,他却乐在其中。颜回真贤德!
In computer science, we often deal with problems that are easy to state but hard to solve.