The Master said, “One who makes no changes to the ways of his father for three years after his father has passed away may be called a filial son.”Confucius, & Slingerland, E. (2003). Analects: With selections from traditional commentaries. Hackett Publishing.
The Master said, If after three years [a son] has not changed his father’s way of doing things, then you can call him filial.Confucius, & Watson, B. (2007). The Analects of Confucius. Columbia University Press.