Why don't you start by setting a decent moral example?
不如先树立一个体面的道德榜样吧？
英语百科
Moral example
Moral example is trust in the moral core of another, a role model. It was cited by Confucius, Muhammad, Mohandas Gandhi and other important philosophers and theologians as the prime duty of a ruler - including the head of a family or the owner of a business.