每本书都是一个完美想法的残骸。
                    法律体系是根据其自身的有效性标准而有效的规则体系。
                    在计算复杂性的研究中,我们常常发现可能的边界是由我们想象力的极限定义的。
                    The past is a foreign country; they do things differently there.
                    A life without examination is not worth living.
                    I don't follow trends, I set them.
                    The Backstreet Boys have always been about the music and the fans.