Rigor in proof is what separates mathematics from all other sciences.
证明的严谨性将数学与所有其他科学区分开来。
心有其理，理性对此一无所知。
The only thing we have to fear is fear itself.
The balance between economic growth and environmental responsibility is the defining challenge of our time.
每个故事都是一段旅程，而每段旅程都会改变讲故事的人。
宇宙是一座黑暗森林，每个文明都是带枪的猎人，像幽灵般潜行于林间。
In language， there is no one-to-one correspondence between words and the things they refer to.