Imagine if when we were born, we have our own light. And as the years went by, it gets darker and darker due to our bad decisions and destinations. How can we bring back the light that was lost?

Easy, first is not to go back to our old ways. Second, we should be more mindful of our actions. Next, repent. Reflect on your past mistakes but don't let it bring you down. They are meant to inspire, not drag you back. After you've done this things, slowly, that light will be as bright as the day you were born.