每一本书都是一扇通往未知世界的门，一次探索未知的邀请。

我是个信守承诺的人。

I never think about the past, I always think about the next match.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

Nature has been the greatest chemist of all time, and we are just beginning to understand its secrets.