我返老还童了。

I don't take anything for granted. I work for everything.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

Sometimes the most unexpected findings lead to the greatest advances.

"The only way to get better is to play against the best."

书籍是飞机，是火车，是道路。它们是目的地，也是旅程。它们是家。