First there must be order and harmony within your own mind. Then this order will spread to your family, then to the community, and finally to your entire kingdom. Only then can you have peace and harmony.
There are three degrees of filial piety. The highest is being a credit to our parents, the second is not disgracing them; the lowest is being able simply to support them.
Yin and yang, male and female, strong and weak, rigid and tender, heaven and earth, light and darkness, thunder and lightning, cold and warmth, good and evil...the interplay of opposite principles constitutes the universe.