世有无妄之福,又有无妄之祸。
译文:世人有时会遇到意想不到的福运,有时也会遇到意外的灾祸。
To do mathematics is to engage in a dialogue with the universe, seeking answers to questions we may not even know how to ask yet.
A man's life of any worth is a continual allegory.
养猪是个技术活,不是谁都能养好的。