在任何事情中，都存在一个我们无法逾越的界限。
译文：厚道的人，福泽深厚；刻薄的人，福薄命浅。
The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.
A ship is always referred to as "she" because it costs so much to keep one in paint and powder.
我们所见的和所知的关系从未确定。
The good which a wise man seeks， the wise man is.