- Communication: Community has to do with communication.
- Simplicity: The art of maximizing the amount of work not done.
- Feedback: Practicing without feedback is like bowling through a curtain that hangs down to knee level.
- Courage: One thing that never ceases to amaze me is how relatively few people understand what courage is. The absence of fear is not courage; the absence of fear is some kind of brain damage. Courage is the capacity to go ahead in spite of fear.
The four XP values
Quite by chance I've notice several recent blog entry quotes mention the four XP values: