我们不是从祖先那里继承地球；我们是从子孙那里借来的。

When I look at the world I'm pessimistic, but when I look at people I am optimistic.

Dreams are not the exclusive right of the young, but the common language of all who strive for progress.

我不习惯吹嘘或谈论我所做的事情。我更喜欢人们只是看我比赛，然后做出自己的判断。