宏观经济学的核心问题是理解人们如何随时间做出决策。
【译文】 子游问孝,孔子说:“现在的孝顺,只是能赡养老人。即使是犬马,都会得到饲养。不敬重,有何区别?”
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.