Fight poison with poison.
More Chinese Proverbs:
Forget the fishing gear as soon as the fish is caught.Chinese
You cannot prevent the birds of sorrow from flying over your head, but you can prevent them from building nests in your hair.
Chinese
Force tells weak from strong for a moment; truth tells right from wrong all the time.
Chinese
If you want to avoid being cheated, ask for prices at three different stores.
Chinese
Force may lead to agreement, but truth will lead to conviction.
Chinese
Dripping water can eat through a stone.
Chinese