The rules of survival never change, whether you’re in a desert or in an arena.
In the infancy of societies, the chiefs of state shape its institutions; later the institutions shape the chiefs of state.
自由贸易是国家繁荣的关键。
成功不仅仅在于你取得了什么成就,还在于你如何取得这些成就。
做数学就是同时参与创造和发现的行为。