As a collective before a class, gradings, competitions we all chant the oath and tenets of TKD. But the question is do we know what they mean, do we live by them and adhere to them and not only when you see fit to do so but when its right to do so?! The oath and tenets should be what sets us above people that don't train in martial arts, it is about being a better person.
To assist you here are some quotes to help you in this endeavour to understand them and apply them: