学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
Growth is painful, but nothing is as painful as staying stuck.
我希望，太平洋的海水，和我梦中的一样蓝。
The most important thing is to understand the place, the genius loci.
事物忌讳到达顶点，事情避免极其完美，人则忌讳飞黄腾达。