Our Master Confucius, answering Duke Ling of Wei, said: "I have never studied matters connected with armies and battalions." [62] Replying to K’ung Wen-tzu, he said: I have not been instructed about buff-coats and weapons." But if we turn to the meeting at Chia-ku, we find that he used armed force against the men of Lai, so that the marquis of Ch’i was overawed. Again, when the inhabitants of Pi revolted; he ordered his officers to attack them, whereupon they were defeated and fled in confusion. He once uttered the words: "If I fight, I conquer." [63] And Jan Yu also said: "The Sage exercises both civil and military functions." [64] Can it be a fact that Confucius never studied or received instruction in the art of war? We can only say that he did not specially choose matters connected with armies and fighting to be the subject of his teaching. Sun Hsing-yen, the editor of Sun Tzŭ, writes in similar strain:— Confucius said: "I am unversed in military matters." [65] He also said: "If I fight, I conquer." Confucius ordered ceremonies and regulated music. Now war constitutes one of the five classes of State ceremonial, [66] and must not be treated as an independent branch of study. Hence, the words "I am unversed in" must be taken to mean that there are things which even an inspired Teacher does not know. Those who have to lead an army and devise stratagems, must learn the art of war. But if one can command the services of a good general like Sun Tzŭ, who was employed by Wu Tzŭ-hsu, there is no need to learn it oneself. Hence the remark added by Confucius: "If I fight, I conquer." The men of the present day, however, willfully interpret these words of Confucius in their narrowest sense, as though he meant that books on the art of war were not worth reading. With blind persistency, they adduce the example of Chao Kua, who pored over his father’s books to no purpose, [67] as a proof that all military theory is useless. Again, seeing that books on war have to do with such things as opportunism in designing plans, and the conversion of spies, they hold that the art is immoral and unworthy of a sage. These people ignore the fact that the studies of our scholars and the civil administration of our officials also require steady application and practice before efficiency is reached. The ancients were particularly chary of allowing mere novices to botch their work. [68] Weapons are baneful [69] and fighting perilous; and useless unless a general is in constant practice, he ought not to hazard other men’s lives in battle. [70] Hence it is essential that Sun Tzŭ’s 13 chapters should be studied.