The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty.

能源安全是国家战略安全的重要基石，我们必须把能源饭碗牢牢端在自己手里。

I'm not on the outside looking in. I'm not on the inside looking out. I'm in the dead fucking center.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.