变革在中间阶段最为艰难。
Challenge the status quo, but respect the wisdom of those who came before you.
现在是过去卷起准备行动，过去是现在展开以便理解。
在数学中，提出问题的艺术必须比解决问题更有价值。
何必需要浅碧深红的艳丽色彩，桂花本就是花中第一流
做出伟大工作的唯一方法就是热爱你所做的事情。
一定要成功﹗我只以成败论英雄。
The world is a stage, and we are all playing our parts.
The best books are the ones that challenge you.
There is no shortcut to success. You have to work hard every single day.