—— 请按键盘 空白键 开始游戏 ——

The metals we pull from the ground should build bridges between people, not walls.
If you do what you’ve always done, you’ll get what you’ve always gotten.
In mathematics, as in life, the most elegant solutions often arise from a deep understanding of the problem.
智慧的真正标志不是知识,而是想象力。