Every mathematical problem has a solution; it just takes time and effort to find it.
每个科学家都梦想着做一些能够帮助世界的事情。
Sometimes, the only way to stay sane is to go a little crazy.
在私利面前能够想到道义,遇到危难能够挺身而出,虽然长期生活在贫困之中,也没有忘记平生的诺言,这样就可以说是一个十全十美的人了。