失败只是通往成功的垫脚石。它不是终点，只是旅程的一部分。
The best mathematics is not just rigorous; it is also elegant.
We are all in the gutter, but some of us are looking at the stars.
木头有记忆。它记得森林。它记得树。
数学是科学的钥匙和门。
任何企业的命脉都是创新。