The economist needs the three great intellectual faculties, perception, imagination and reason: and most of all he needs imagination.
经济学家需要三种伟大的智力才能：感知、想象和理性；而最重要的是他需要想象力。
The best companies are built on passion, not just profit.
可持续性不是一种趋势；它是我们对下一代的责任。