煤炭的未来在于清洁高效利用。
The future of coal lies in clean and efficient utilization.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
Most people find the concept of programming obvious, but the doing impossible.
译文：感叹白发，观察世间的道路。人们无不追求荣华，看重富贵而轻视贫贱。显赫的宫门，华丽的宫殿。年轻时入仕，幼年时就献上谋略。
我认为这很少是关于你在课堂上学到的东西——它主要是关于你问自己的问题。
Education is an ornament in prosperity and a refuge in adversity.
创造财富的根本在于生产力的不断提高。