The most important single aspect of software development is to be clear about what you are trying to build.
在量子力学中,轨迹的概念失去了意义。
I'm not afraid of losing, I'm afraid of not giving my best.
Wrong life cannot be lived rightly.
The greatest tragedy is not death, but forgetting one's mother tongue.
自然喜欢简单。自然不是傻瓜。