一个奇怪的事实是，关于地球史前条件得出了完全相反的结论，这反映了我们目前知识的不完整状态。
如果你想成功，就必须愿意冒险并从失败中学习。
石油开采的创新必须与环境责任齐头并进。
A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.
The more you speak, the more likely you are to say something foolish.
Wealth is not about having a lot of money; it's about having a lot of options.