I don't need a reason to be happy with who I am.

处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。

译文：西风落日下野草斑驳，秋日天空云淡风轻，一只孤鸟飞过。我这个两鬓斑白的游子，又骑着马登上了太行山。

In mining, you don't find success by digging in the same hole forever - innovation is our lifeline.

We work with the earth, not against it.

The quality of an organization's courage determines the quality of its innovation.