Courage is the primary quality of justice.

I don't believe in pure art.

So, I went through life constantly practicing this model of disciplinary approach. Well, I can’t tell you what that’s done for me. It’s made life more fun. It’s made me more constructive. It’s made me more helpful to others. It’s made me enormously rich.

Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.

I'm not a genius, I'm just a man who works hard.

Art is not about what you see, but what you make others see.

过去是一个装满光的橱柜，你只需要找到打开门的钥匙。

I'm grateful for every moment.

In energy, as in life, the only constant is change.