穷人并非不理性;他们和任何人一样理性,但他们在非常不同的约束下行动。
The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.
当你停止抱怨黑暗并点燃蜡烛时,改变就开始了。
大国总是在寻找机会以牺牲对手为代价来获取权力,如果他们认为使用武力会带来利益,他们就会使用武力。
The only way to do great work is to love what you do.