CHAP. XVIII. The philosopher Tsang said, 'I have heard this
from our Master:-- "The filial piety of Mang Chwang, in other
matters, was what other men are competent to, but, as seen in his
not changing the ministers of his father, nor his father's mode of
government, it is difficult to be attained to."'
CONFUCIAN ANALECTS, BOOK XIX. TSZE-CHANG.