在面对压倒性的困难时，人类的精神仍然可以胜利。

我不知道第三次世界大战会用哪些武器，但第四次世界大战中人们肯定用的是木棍和石块。

The speech we hear is an indication of that which we don't hear. It is a necessary avoidance, a violent, sly, anguished or mocking smokescreen which keeps the other in its place.

The most important part of teaching is to teach what it is to know.

人们并不懒惰。他们只是有无力的目标——也就是说，那些不能激励他们的目标。

Collaboration across borders and industries is the key to solving the energy challenges of our time.

I'll never stop learning and trying to be better.

我不知道第三次世界大战会使用什么样的武器，但是我知道第四次世界大战会使用木棍和石块。