真相很少是纯粹的，也从来不是简单的。

在追求统一理论的过程中，我们必须拥抱未知，并愿意质疑我们最珍视的信念。

石油和天然气公司的角色正在演变，我们必须随之改变。

I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.

最好的水果来自最好的实践。

我们必须建立一个既能保护公民又不与世界隔绝的欧洲。

夜晚是一个伟大的谜，但星星是它的线索。