The deepest theorems often arise from the simplest observations.

突然发现自己终此一生只讲真话，对一个人来说一件很恐怖的事情。

So we beat on, boats against the current, borne back ceaselessly into the past.

Never underestimate the power of teamwork in achieving what seems impossible.

声音是一种永不停止进化的乐器。