让我能够做出人生重大抉择的最主要办法是，记住生命随时都有可能结束。因为几乎所有的东西——所有对自身之外的希求、所有的尊严、所有对困窘和失败的恐惧——在死亡来临时都将不复存在，只剩下真正重要的东西。记住自己随时都会死去，这是我所知道的防止患得患失的最好方法。你已经一无所有了，还有什么理由不跟着自己的感觉走呢。

我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。

The genome is a record of life's triumphs and failures.

Music is more than a beautiful melody. It is the deepest expression of the human soul.

Politics is not theory, but practice.

The purpose of a habit is to remove that action from self-negotiation. You no longer expend energy deciding whether to do it. You just do it. Good habits can range from telling the truth， to flossing