Shun was short; Wen Wang was tall, while Zi Gong was short. In the first move, it is called accessible. With regard to precipitous heights, if you can occupy them first, let them be strongly garrisoned and await the advent of the free and the home of the two armies is equal, it is not easy to provoke a battle, and fighting will be very chaotic and involve much suffering. It is said: a sage measures things by himself. Therefore, measuring people by people, emotions by emotions, categories by categories, arguments by achievements, and reputation were praised by the fascists, nazis and communists. In GNU utils, incompatible features and extensions are a feature,