Ethical leadership isn't about being perfect - it's about being accountable.

The most important thing is to keep improving the models with better physics and more data.

The individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

发现说谎者悖论及相关悖论使人们认识到，直觉上的真理概念并不像乍看起来那么简单。

我早该猜到，在她那可笑的伎俩后面是绻绻柔情啊，花儿是如此天真无邪！可是我毕竟太年轻了，不知道如何去爱她。

生活中唯一的限制是你自己设定的。

经济的历史在很大程度上是一个制度演化的故事。