Filial behavior is the origin of morality and the foundation of the way of justice and integrity.
The sages ruled mankind through their own filial behavior.
Loyal retainers all started out as filial disciples.
Love and gratitude for parents is as deep as the ocean and as lofty as Mount Tai.
A filial son gladdens both parents, and there is nothing a harmonious family together cannot accomplish.
A stern father makes a filial son; a stern mother makes a sharp-witted girl.
A filial child all the years of his/her life holds parents in the highest esteem.
One does not abuse one's own body; one does not shame one's own parents.
Love whatever your parents love; respect whatever they respect.
No sooner does one think of all the wonderful gifts received from one's parents than one begins to evince one's own filial piety.
Taking care of your body is being filial.
To hit a son is to hurt a mother.
As far as behavior goes, nothing is greater than filial piety.
from Xiaodao, pp. 7-11.