—— 请按键盘 空白键 开始游戏 ——

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
事实是每个人都相信的简单陈述。它是无辜的,除非被证明有罪。假设是没有人愿意相信的新颖建议。它是有罪的,直到被证明有效。
The process of verification is as important as the process of creation in computer science.