我们生活的目的是快乐。
The best stories are those that linger in the mind long after the last page is turned.
释义：千人同心，能发挥千人的力量；万人不同心，连一个人的力量都用不上。
我认为成功的关键是对你所做的事情充满热情。
If you don't give up, you still have a chance. Giving up is the greatest failure.
材料有自己的智慧。
A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.