未来奖励那些坚持下去的人。我没有时间为自己感到难过。我没有时间抱怨。我要坚持下去。

如果你愿意，我们可以回到那个山洞。

That man, I think, has had a liberal education who has been so trained in youth that his body is the ready servant of his will.  

工程师文化就是追求极致，但也要接受不完美。