"To live is the rarest thing in the world. Most people exist, that is all."
A well-designed system should be easy to use, easy to understand, and easy to modify.
恐惧风险的本能,反而让穷人承担更大风险。
知识的最大敌人不是无知,而是知识的幻觉。
经济学家正确地预测了过去五次衰退中的九次。