The interplay between local and global phenomena is a recurring theme in number theory.
过去从未死去。它甚至还没有过去。
The best scientists are those who remain students forever.
我爱她是违背常理,是妨碍前程,是失去自治,是希望破灭,是断送幸福,是注定要尝尽一切的沮丧和失望的。可是,一旦爱上了她,我再也不能不爱她。