Chapter XIII. When the Master was in Ch'i, he heard the Shao, and for three months did not know the taste of flesh. "I did not think" he said, "that music could have been made so excellent as this." Chapter XIV. 1. Yen Yu said, "Is our Master for the ruler of Wei?" Tsze-kung said, "Oh! I will ask him." 2. He went in accordingly, and said, "What sort of men were Po-i and Shu-ch'i?" "They were ancient worthies," said the Master. "Did they have any repinings because of their course?" The Master again replied, "They sought to act virtuously, and they did so; what was there for them to repine about?" On this, Tsze-kung went out and said, "Our Master is not for him." Chapter XV. The Master said, "With coarse rice to eat, with water to drink, and my bended arm for a pillow;—I have still joy in the midst of these things. Riches and honours acquired by unrighteousness, are to me as a floating cloud." Chapter XVI. The Master said, "If some years were added to my life, I would give fifty to the study of the Yi, and then I might come to be without great faults." Chapter XVII The Master's frequent themes of discourse were—the Odes, the History, and the maintenance of the Rules of Propriety. On all these he frequently discoursed. Chapter XVIII. 1. The Duke of Sheh asked Tsze-lu about Confucius, and Tsze-lu did not answer him.