I'm not a human being, I'm a martian.
生物学是对那些看起来像是为了某种目的而被设计的复杂事物的研究。
"In computer science, we are always trying to find the balance between expressiveness and tractability."
如今网络上到处都是免费的教育资源,真正稀缺的是对学习的渴望。