Example is always more efficacious than precept.
身教胜于言教。
Always match your words with your actions.
If you want others to obey some rules, you must obey the rules first.
If you want to promote some reforms, the best way may be to set an example first.
You are the enemy of my enemy, so you are my friend.
你是我敌人的敌人，那我们就是朋友。
Unite all the forces that can be united, this is the best way to combat against your enemies, even when you can beat them with no difficulty.
In our country's history, this way, known as the United Front, is one of the most powerful weapons used by the CCP to beat all the enemies down.