The first step toward getting somewhere is to decide that you are not going to stay where you are.
The only limits that exist are the ones you place on yourself.
We use mathematics to understand the markets, not to predict them.
The future of coal is not about the past; it's about innovation and sustainability.
我们地球的过去历史必须通过现在可以看到的现象来解释。
I'm not afraid to say that I want to be the greatest of all time.