—— 请按键盘 空白键 开始游戏 ——

The child is not a passive recipient of knowledge but an active participant in the learning process.
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
数学家的工作大多是孤独的追求,但也具有深刻的合作性。
Transparency in reporting our environmental impact isn't just good practice - it's our obligation to stakeholders.