Aang is an Airbender at heart, it's what he mastered long before any of the other elements. Source: Internet
Aang followed his principles in many ways as he was a vegetarian who was gentle to animals and all living creatures. Source: Internet
Aang is seen early in Avatar: The Last Airbender to have such a strong handle over his airbending that he reduces a large fiery projectile to rubble with a well-placed air kick. Source: Internet
Aang, an Air Nomad, is the resident Avatar, who has the power to control all four elements and thus is the only living person who has the power to restore balance to the world. Source: Internet
Aang was merely one of several hundred - if not thousands - of airbendering Avatars. Source: Internet
After escaping and recovering, Aang asks Zuko whether or not he believed that, in different circumstances, that they could have been friends. Source: Internet