Jigoro Kano (founder of Judo), created a moral code for Judoka to abide by both on and off the tatami.
Be polite to others.
To face difficulties with bravery.
To be sincere with your thoughts and actions.
To do what is right and stand by your principles.
To be without ego in your actions and thoughts.
To appreciate others.
To be in control of your emotions.
To be a good companion and friend.