You must gain balance within yourself before you can bring balance to the world. 

You must gain balance within yourself before you can bring balance to the world. 

And like the cycle of the seasons, the cycle of the Avatar began anew.

Only the Avatar can master all four elements and bring balance to the world.

avatar-parallels:

The previous Avatar appearing in the current Avatar’s time of need. 

korra-sama:

→ The scene that made me bawl like a baby.