To me the black belt oath means to be a role model. Younger people and lower belts might want to look up to you. Therefor you need to train hard, be nice and encouraging, and always do your best. If you do not train hard or do your best, you will never get better. Think of it as if you took a line and on the right side it said “the best” and on the left side it said the worst. You would probably be right in the middle and never move up to a higher level. No one will ever look up to you if you're rude and not nice. If I say “ wow you did an amazing job today how did you think of your fight?!” vs “good job”, which one would you like to get told? I would like the first one better. Although there both nice, one’s more encouraging. In addition
