—— 请按键盘 空白键 开始游戏 ——

Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
我们能种植的最有价值的作物是生产者和消费者之间的信任。
别人为食而生存,我为生存而食。
The most profound truths are often the simplest.
We are drowning in information but starved for knowledge.