You are never too old to set another goal or to dream a new dream.

"The past is never dead. It's not even past."

Everyone is a genius. But if you judge a fish by its ability to climb a tree, it will spend its whole life believing it is stupid.

Innovation in mining technology is essential to meet the world's energy demands.

而是根据国家的具体情况，去掉那些无益于实用的东西，这就足够使国家的财利增加一倍了。 

有能力的程序员完全意识到自己头骨的严格有限尺寸；因此他以完全的谦逊态度对待编程任务，并且避免像瘟疫一样的聪明技巧。

一个精心设计的空间可以改变人们的生活和互动方式。