Iroh: You have more than one great-grandfather, Prince Zuko. Sozin was your father's grandfather. Your mother's grandfather was Avatar Roku.
Zuko: (in shock) Why are you telling me this?!
Iroh: Because understanding the struggle between your two great-grandfathers can help you better understand the battle within yourself. Evil and good are always at war inside you, Zuko. It is your nature, your legacy, but there is a bright side. What happened generations ago can be resolved now by you. Because of your legacy, you alone can cleanse the sins of our family and the Fire Nation. Born in you, along with all the strife, is the power to restore balance to the world.
Zuko: (in shock) Why are you telling me this?!
Iroh: Because understanding the struggle between your two great-grandfathers can help you better understand the battle within yourself. Evil and good are always at war inside you, Zuko. It is your nature, your legacy, but there is a bright side. What happened generations ago can be resolved now by you. Because of your legacy, you alone can cleanse the sins of our family and the Fire Nation. Born in you, along with all the strife, is the power to restore balance to the world.
Iroh : You have more than one great-grandfather, Prince Zuko. Sozin was your father's grandfather. Your mother's grandfather was Avatar Roku.
Zuko : (in shock) Why are you telling me this?!
Iroh : Because understanding the struggle between your two great-grandfathers can help you better understand the battle within yourself. Evil and good are always at war inside you, Zuko. It is your nature, your legacy, but there is a bright side. What happened generations ago can be resolved now by you . Because of your legacy, you alone can cleanse the sins of our family and the Fire Nation. Born in you, along with all the strife, is the power to restore balance to the world.
http://www.tv-quotes.com/shows/avatar-the-last-airbender/quote_17466.html