We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

海洋不会回报那些过于焦虑、贪婪或急躁的人。一个人应该像海滩一样空虚、开放、无选择——等待海洋的馈赠。

AdS/CFT对应是理解量子引力的有力工具。

生活是一种人人须学而无人能教的艺术。