译文：锋利的刀割伤身体，伤口还可以愈合，而恶毒的话语伤了人，就会积下仇恨很难消除。赏析：良言一句三冬暖，恶语伤人六月寒。人要多说良言，少说恶语。即使我们要给对方提建议，也要掌握分寸，不可在交谈中有伤人之语。

A map of the world which does not include Utopia is not worth even glancing at.

创新的关键在于培养好奇心和实验的文化。

The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.

"History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation."

对付敌人的最好武器就是另一个敌人。