To be brave is to love someone unconditionally, without expecting anything in return.
勇敢就是无条件地爱一个人，不期待任何回报。
解决一个数学问题就是揭开宇宙拼图的一块。
The only way to do great work is to love what you do.
Order is the shape upon which beauty depends.
释义：做事如果不彻底解决问题，可能会留下隐患，导致自己遭受伤害。