创新不仅仅是创造新产品，而是重新构想可能性。
儿童开始对自己实践那些他人曾经对他实践过的相同行为形式。
I sometimes think that God in creating man, somewhat overestimated His ability.
Literature is the record of human experience.
To solve a problem, one must first understand its nature and then find the right tools to tackle it.
In the quest to understand the cosmos, we must remain humble, for every answer we find leads to a multitude of new questions.
The best legacy we can leave is a living one.
Coal built this country, and coal will keep it strong.
和我一起变老吧！最好的日子还在后头，生命的最后时光，正是为了最初的日子而存在的。
生命是用来消耗的，不是用来储蓄的。