Bu Do nine principles

1. Do not have a weaked heart.
2. Train within your body not your mind.
3. Get familiar with a great rage of different technics and arts. Do not focalize on one and unique.
4. Learn from your technics but also from others.
5. Discover what can be advantaging, what can be disadvantaging.
6. Develop intuition.
7. Look within things, not at things.
8. Be interested in everything even the most unsignicant phenomenon (think about the butterfly effect).
9. Don't waste your time, the countdown is on since you're born.