This list can work for all of us, whether we are do martial arts or not. One saying about practicing the martial arts is that you find that your greatest opponent is yourself. I certainly find that working on my own shortcomings is my greatest challenge.
This list is courtesy of Dr. Jwing-Ming Yang:
Humility
Respect
Righteousness
Trust
Loyalty
Will
Endurance
Perseverance
Patience
Courage