Don’t say anything about someone in email you would not be comfortable saying to them directly， because eventually they will read it.

Every ton of coal we extract carries equal weight in responsibility.

你越了解自己和你想要什么，就越少让事情困扰你。

Irony is the gaiety of reflection and the joy of wisdom.

我没有写下我所见所闻的一半，因为我知道人们不会相信。