我们都有能力改变，但我们必须首先相信这是可能的。

我不是一位雅典人或希腊人，而是一位世界的公民。

The greatest discovery of any generation is that a human being can alter his life by altering his attitude.

In times of adversity and change, we really discover who we are and what we're made of.

跨行业合作是解决能源挑战的关键。

每一次突破都始于一个问题，而每一个问题都是迈向未知的一步。