"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."
计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。
成功是一个糟糕的老师。它诱使聪明人认为他们不会失败。
Nothing’s lost forever. In this world, there’s a kind of painful progress. Longing for what we’ve left behind, and dreaming ahead.