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.
Innovation is not just about technology; it's about changing the way people think and act.
The beauty of mathematics lies in its simplicity and depth.
A novel should be a book of questions, not a book of answers.