美好生活是一个过程,而不是一种状态。它是一个方向,而不是一个目的地。
The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.
最好的报复就是巨大的成功。
Words are, of course, the most powerful drug used by mankind.
NP-completeness is not just a theoretical curiosity; it has profound implications for practical computing.