—— 请按键盘 空白键 开始游戏 ——

The world is full of people who have never, since childhood, met an open doorway with an open mind.
我不是受害者,我是战士。
The mind's primary task is to organize experience for action.
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.