The best way to predict the future is to invent it.
书籍是最安静、最恒久的朋友;它们是最易接近、最明智的顾问,也是最耐心的老师。
We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.
The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.