—— 请按键盘 空白键 开始游戏 ——

The historian’s first duty is to the truth.
材料选择艺术家,正如艺术家选择材料。
成功不仅仅以利润来衡量,而是以我们留下的积极影响来衡量。
The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.