Book 19: 《子張》 Zi Zhang
《子張》 Passage 19.18
曾子曰:「吾聞諸夫子:孟莊子之孝也,其他可能也;其不改父之臣,與父之政,是難能也。」
Legge Translation (1861)
The philosopher Zeng said: "I have heard this from our Master: — 'The filial piety of Meng Zhuang, in other matters, was what other men can also achieve, but as shown in his not changing the ministers of his father, nor his father's mode of government, it is difficult to be attained to.'"