Oil and gas will remain part of the energy mix for decades to come, but we must produce them as cleanly as possible.

I'm not a person who likes to be in the middle.

一个人懒惰又奢侈，生活就会贫困；勤劳而节俭，生活就会富足。

科学最重要的意义在于它为我们提供了一种方法，可以提出能够明确回答的问题。