Sometimes the bravest thing is to keep going when everything seems lost.

The best stories are those that cannot be summarized.

感叹蔡泽当年壮志难酬，才去找唐举来解决问题。知道天道微妙难以捉摸，要跟随渔夫同享山水乐。

To be brave is to love someone unconditionally, without expecting anything in return.

证明P=NP将对数学、密码学和算法设计产生深远的影响。

我们用来探测系外行星的工具在不断进化，突破了我们认为可能的界限。