Sometimes it's the people no one imagines anything of who do the things that no one can imagine.

Quality is never an accident; it's always the result of intelligent effort.

【释义】就算搭建起绵延千里的盛大长棚，也没有永远不散场的宴席；人与人之间的相伴没有永恒，没有人能一辈子守护另一个人。

数学中最令人兴奋的时刻是当你发现一些隐藏在显而易见之处的东西。