The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.

"The world begins at a kitchen table. No matter what, we must eat to live."

History is always personal.

赢得世界杯的感觉很不真实，但它让我意识到我可以取得更多成就。

我看不到极限，我只看到可能性。

Generally speaking， the errors in religion are dangerous； those in philosophy only ridiculous.

透明建立信任，而信任是进步的基础。