数学家的工作永远不会真正完成；总有更多的东西需要探索。
A mathematician's work is never truly finished; there is always more to explore.
自由从来不是被压迫者自愿给予的，必须由被压迫者争取。
我自出生就有被爱的需求，而且还有个更强烈的需求——给予爱。
You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.