—— 请按键盘 空白键 开始游戏 ——

Every tree planted today is a legacy for tomorrow.
今天种下的每一棵树都是留给明天的遗产。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
The only way to do great work is to love what you do.
我不是在试图变得酷,我只是在做我自己。