移民可以对创新和生产力产生积极影响。
出自《抱朴子·外篇·广譬》。登山的时候，不因为山路艰险便停止，就一定能够到达山顶。积善也不会因为穷困而埋怨，便能够使自己获得长久的美名。
The pleasure isn't in owning the person. The pleasure is this. Having another contender in the room with you.
最好的数学是你第一眼看不明白的数学。
"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."
