你知道的越多，就越意识到你什么都不知道。
The more you know, the more you realize you know nothing.
As Will Rogers would have said, "There is no such thing as a free variable."
我不知道如何做任何事情半途而废。
所以君子严于律己.宽以待人,而平庸的人却宽以待己.严于律人。
The only way to achieve the impossible is to believe it's possible.