—— 请按键盘 空白键 开始游戏 ——

现代物理学的挑战不仅在于找到答案,还在于提出正确的问题。
The study of Shimura varieties is a testament to the unity of mathematics.
多一些事实,少一些矫饰废话。
If ease of use was the only requirement, everyone would still be riding tricycles.