书籍是反映我们挣扎的镜子。
"Books are the mirrors that reflect our struggles."
一个个都说∶我是向上效法了尧.舜.夏禹.商汤.周文王.周武王的大道。”但所说的话却是互相攻击的,所行的事是截然相反的。
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.