—— 请按键盘 空白键 开始游戏 ——

The beauty of a mathematical idea is that it can be shared and understood across cultures and time.
创造高效和选择性催化剂的挑战让我每天都充满动力。
I'm not a angel, I'm a demon.
The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.