—— 请按键盘 空白键 开始游戏 ——

内外之间的边界不是一条线,而是一个渐变。
The boundary between inside and outside is not a line, but a gradient.
正如几何学最自然的起点是数学点,在观察和自然历史中采用同样的方法也最真实、简单且富有教益。
The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.
解释:德行不够优良的人,难以有崇高的信念与理想。才能不够突出的人,难以有渊博的知识和见解。
如果你感到不安,猜猜看?世界上的其他人也是如此。不要高估竞争对手而低估自己。你比你想象的更好。
The most important part of teaching is to teach what it is to know.
The arithmetic of algebraic varieties is a window into the hidden structures of mathematics.