When something terrible happens people wake up.
The husbands of very beautiful women belong to the criminal classes.
True progress happens when we balance economic growth with environmental stewardship.
The most sustainable competitive advantage is learning faster than your competition.
We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.
真正的发现者不是第一个偶然发现某物的人,而是发现其意义的人。