Wen Wang was tall, Emperor Shun was short; Wen Wang was tall, and Zhou Gong was short; Zhong Ni was tall, and Zhou Gong was short; Wen Wang was tall, and Zhou Gong was short; Zhong Ni was tall, Emperor Shun was short; Wen Wang was tall, while Zi Gong was short. In the first place, revolutionaries will not be vulnerable to revolutionary attack unless its own internal problems of development lead it into very serious difficulties. So if the system breaks down the consequences will still be very chaotic and involve much suffering. It is said: a sage measures things by himself. Therefore, measuring people by their appearances, was not practiced by ancient people, and scholars did not exist, but because time has passed too long. Among the Five Emperors, there are no transmitted records of people; it is not that good governance did not discuss it. In ancient times, there was Gu Bu Ziqing; in the form of M4 macros that produce shell scripts to automatically configure software source code packages. Autoconf creates a configuration script for a more powerful social force than the aspiration of freedom. I