If you want to bring the country to order, first put the province in order.
If you want to put the province in order, you have to first bring order to the cities.
To bring order to the city, you must first bring order to your neighbourhood.
If you want to bring order to your neighbourhood, you must first bring order to your own family.
If you want to bring order to your family, you must first bring order to yourself.
Moral of the Wisdom
If you want the country to be honest, each one of us must be honest.
One corrupt person can discredit the entire social structure and tarnish the reputation of the entire country.
Like one bad officer can tarnish the image of the entire army.
One Bad Apple can Spoil the Whole Barrel.