That thing which you fight is exactly what you become. For example anger, this is a great example because so many have a problem with anger. If someone is angry and you meet them with anger, what is the outcome? Yes, more anger. Throwing fire on fire is no way to quench it.
Anger may be the result of many causes, and without understanding them there is no escape from anger. We have created the enemy, the bandit, and becoming ourselves the enemy in no way brings about a solution. We have to understand the cause and cease to feed it. We are responsible for bringing this enemy into being. We create the friend or the enemy in our own minds.
It is not what any other person has done that has caused this anger to well up in us, therefore the answer lies in taking responsibility for our thoughts, identifying the triggers of our anger, and taking up the arduous task that demands constant self-awareness and intelligent pliability, for what we are the society, the state, the world is. Right thinking begins with allowing love to permeate all that we do and think, love transcends the enemy and the friend. The water that you throw on the fire will out it.