科学家不是给出正确答案的人,而是提出正确问题的人。
The scientist is not a person who gives the right answers, he's one who asks the right questions.
解释:对社会有用的,创作百篇也没有害处;对社会无用的,写一章也没有好处。
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
Memories are like shadows - they follow you everywhere, even when there's no light.