Analects of Confucius 1.11
The Master said, ‘While a man’s father is alive, look at the bent of his will; when his father is dead, look at his conduct. If for three years he does not alter from the way of his father, he may be called filial.’
The Master said, ‘While a man’s father is alive, look at the bent of his will; when his father is dead, look at his conduct. If for three years he does not alter from the way of his father, he may be called filial.’