文学是一种记忆，是对过去的回顾。

Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses nature leads, or you shall learn nothing.  

模糊逻辑是一种通过让机器能够处理不确定性和不精确性来使其更加智能的方法。

跨国合作是解决全球粮食挑战的关键。

If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law.