The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

The coal industry must unswervingly follow the path of safe, efficient, clean, and low-carbon development.

I’ve never been a person that has been concerned about what people say. I’m just me.

Go for a business that any idiot can run – because sooner or later, any idiot probably is going to run it.