The past is already written. The ink is dry.
真正有价值的是直觉。在探索的道路上智力无甚用处。
应对不自由世界的唯一方法是变得如此绝对自由,以至于你的存在本身就是一种反抗。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.