Economics is at its best when it helps us solve real-world problems in a rigorous and transparent way.

Leadership is about vision and responsibility, not power.

Data is the oil of the future, and cloud computing is the tool to extract and refine this oil.

The real tragedy of the poor is that they can afford nothing but self-denial.

恐惧是人类如此强大的情感，以至于当我们允许它控制我们时，它会驱赶我们心中的同情。