Poverty is not just a lack of money; it is the absence of viable choices.
贫穷并不等于缺乏意志力,而是缺乏选择。
The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.
无论你注定要做什么,现在就做。条件总是不可能的。
自然实验是理解现实世界中因果关系的强大工具。
Peace if possible, truth at all costs.