造纸行业有责任在环境管理方面发挥领导作用。

There are two ways to write error-free programs; only the third one works.

跑步不是要比别人好，而是要比过去的自己更好。

The future belongs to those who dare to innovate.

In mathematics, the art of proposing a question must be held of higher value than solving it.

最好的投资策略是坚持有纪律的长期方法。