The art of doing mathematics consists in finding that special case which contains all the germs of generality.
                    We are all walking around with an evolutionary user's manual in our heads, but most people don't realize it.
                    每个程序都是其他程序的一部分,很少适合。
                    债券市场是市场信心的最终晴雨表。
                    我们都在阴沟里,但仍有人仰望星空。
                    每一颗种子都有改变世界的潜力。