The future of coal depends on balancing economic growth with environmental responsibility.
The process of solving a mathematical problem is often more important than the solution itself.
作家必须是生命的窃贼。
文章是用来承载道理的，不仅仅是为了观赏美观。
释义：人依赖衣食，就像鱼依赖水；国家依赖人民，就像人依赖双脚。鱼没水活不了，人没脚则寸步难行。
Happiness lies in the joy of achievement and the thrill of creative effort.