The only real mistake is the one from which we learn nothing.
唯一真正的错误是我们从中什么也没学到的错误。
法律体系的存在是一个事实问题,而不是道德问题。
——谈自己给英格兰足坛带来的理念
"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."