"A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world."

Every fall is for a better stand.

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.  

科学不过是常识的极致——观察上严格精确，逻辑上对谬误毫不留情。