—— 请按键盘 空白键 开始游戏 ——

我不害怕冒险。
I'm not afraid to take risks.
Mathematics is a living subject, constantly evolving with new ideas and discoveries.
The more you love, the more you can love—and the more intensely you love.
Knowledge is valuable only when it is shared.
真正的森林管理意味着为后来者留下一些树木——以及一些利润。