Abstraction is the key to managing complexity in software systems.
Why was I born with such contemporaries
创新不仅仅是创造新事物，更是改进已有的事物。
我认为你永远不能停止学习。总有新的东西等待发现。
Vices are sometimes only virtues carried to excess!
我们必须始终质疑我们的假设，并愿意根据新的证据修订我们的理论。
For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.