Choose your battles carefully, because not all battles are worth the fight. Some battles are manifested with the sole purpose of destroying your life. Some are there to take you off course. Choose battles that you believe will help someone. A worthwhile battle is one in which the greatest good will result from it now and in times to come. A worthwhile battle is one that even if you are not successful, will give you a sense of great accomphishment because you know you've stand up for something that is just and right, something you're passionate about.
Fight a battle, because it is a part of your purpose here on earth. If the battle is for a good cause, you've already won.