解释：上等的医生能够医治国家，次一等的只会医治病人，这本来就是医生的职守。
每一个数学问题都是一个等待解决的谜题，每一个解决方案都是迈向更深入理解的一步。
The concept of a multiverse arises naturally from the inflationary model of the universe.
The future belongs to those who believe in the beauty of their dreams.
The only person you should try to be better than is the person you were yesterday.
Data is only as good as the questions we ask of it.
女人身上最美的曲线是她的微笑。