—— 请按键盘 空白键 开始游戏 ——

Sometimes the most powerful moments come from what you leave out.
The only way to learn mathematics is to do mathematics.
The world is full of magic things, patiently waiting for our senses to grow sharper.
The power of abstraction is that it allows us to ignore details that are not relevant to the task at hand.
"To write is to resist the erosion of time."
互联网可能是迈向教育、组织和参与一个有意义的社会的非常积极的一步。