The most important single central fact about a free market is that no exchange takes place unless both parties benefit.
书籍是最安静、最恒久的朋友;它们是最易接近、最睿智的顾问,也是最耐心的老师。
成功的道路是采取大规模、坚定的行动。
Sustainability is not an option, it's a responsibility.