大海能容纳千百条河流,因其宽广才显得伟大;悬崖绝壁能直立千丈,因没有私欲才显得刚强。
Pure mathematics is, in its way, the poetry of logical ideas.
好人是那个,无论他以前有多么道德上不值得,都在努力变得更好的人。
The only way to make money is to not lose it.