世界充满了故事，但所有的故事都是一个。
The world is full of stories, but the stories are all one.
The world is full of people who have never, since childhood, met an open doorway with an open heart.
南开校训，意为培养公正与能力兼备的人才，追求不断创新。
一本书是一面镜子；如果一只猴子往里看，不会有哲学家往外看。