Happiness is beneficial for the body, but it is grief that develops the powers of the mind.
最好的科学家是那些在自然的复杂性面前保持谦逊的人。
政策规则优于自由裁量,因为它们避免了时间不一致性问题。
技术应该是无形的。当它运行得最好时,你甚至不会注意到它。
"A book is a friend that never judges you."