永远不要停止学习。当你认为自己无所不知的那一刻,就是你停止成长的那一刻。
The true value of a mathematician lies in the problems they leave behind.
We don't inherit the land from our ancestors; we borrow it from our children.
We must remain curious and never stop questioning the world around us.
田野荒芜废弃,人民也将由此而惰怠;君主挥霍无度,则人民胡作妄为。