1、Fight fire with fire.
2、Do not use direct fire with fire.
3、When tempted to fight fire with fire, remember that the fire Department usually USES water.
4、Fighting fire with fire, watch out, you might get what you're after.
5、My uncle lost out to his competitors because he wasn't willing to fight fire with fire.
6、Some people are so belligerent that to fight fire with fire seems the only way to deal with their enemies.
7、Our goal here is to fight fire with fire so to speak, and come back at the negatives with positives, almost like reprogramming a computer.
