The core of the poverty trap: Today’s hunger steals tomorrow’s productivity.

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

增长的关键在于在不断变化的市场中的适应性。

写作是理解世界的一种方式。