In mathematics, the journey of discovery is as important as the destination.

The key to success is to never stop learning.

美不是奢侈品，而是灵魂的必需品。

尽管我曾冒失莽撞，但我既不是个说谎者也不是个懦夫，而我的心所犯下的罪孽，我的笔是不会去否认它的。