1. Kongzi (Confucianism), speaking about his disciple Zaiwo, whom he clearly disapproved of here 2. The Analects 3. Filial piety (효孝) and humaneness (인仁): repaying parental love. A child is held in the parents' arms for about three years, so three years of mourning returns that love. Real situation: Zaiwo proposed shortening the mourning period, and Kongzi asked whether he would feel at ease eating good food and wearing fancy clothes. Zaiwo said yes, so Kongzi told him to do as he liked, then said after Zaiwo left that he was not humane.