A life without contradictions is not a life worth writing about.
"The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty."
Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
从做必要的事情开始;然后做可能的事情;突然间你就在做不可能的事情了。
The best way to predict the future is to invent it.