Every battle has an origin. There's a reason you fight and an obstacle to overcome. Life is complex, and full of difficulty. Each challenge exercises your thoughts, will, and emotions strengthening them for battle.
The more intense your experience, the more prepared you are to overcome the obstacle and rise to the challenge.
Your obstacle may be the battle of the mind. Others struggle to overcome anger, or are in emotional distress. Regardless of the obstacle, you are equipped with an inner spirit to help you succeed.