Chi-sun asked Jan Yu , saying: “Have you, Sir, acquired your military aptitude by study, or is it innate?” Jan Yu replied: “It has been acquired by study.” 131 “How can that be so,” said Chi-sun , “seeing that you are a disciple of Confucius?” “It is a fact,” replied Jan Yu ; “I was taught by Confucius. It is fitting that the great Sage should exercise both civil and military functions, though to be sure my instruction in the art of fighting has not yet gone very far.”