A Reason to Fight

Sometime in my life I've stopped and think back all things I've done. I wondered what kind reason I used to have these past years to fight in life but there was always a reason to fight back, change things and finally we reach a resolution. We sometimes define something in a hard way. like motivation and always search things outside, but the true reason to fight is from inside, and different for each people, desire in our common language. The noblest desire you ever wished for or the most disgraceful one has an equal role in this world and make changes. The most important thing is the goal and the way we obtained it. Is it through a good way ?

Then, what is your desire ?