我不是悲观主义者。我是一个经历了很多的乐观主义者。
I’m not a pessimist. I’m an optimist who’s been through a lot.
当每个人都投入时，小的改变可以带来大的影响。
和平不是人类所处的自然状态，而是必须被建立起来的。
What ever you do, do it well. Do it so well that when people see you do it they will want to come back and see you do it again and they will want to bring others and show them how well you do what you do.
Success is not about the position you hold, but the difference you make.
发现可能性的极限的唯一方法就是超越它们，进入不可能。