The chains that bind us most closely are the ones we have broken.
Our sweetest songs are those that tell of saddest thought.
The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.
奥林匹克运动会是为了表彰个人运动员的出色表现而创建的。
问题的解决不是机械地应用过去的经验,而是通过重构情境来实现。