1) Do not think dishonestly.
2) The Way is in training.
3) Become acquainted with every art.
4) Know the Ways of all professions.
5) Distinguish between gain and loss in worldly matters.
6) Develop intuitive judgment and understanding for everything.
7) Perceive those things which cannot be seen.
8) Pay attention even to trifles.
9) Do nothing which is of no use.
- The Ground Book, A Book of Five Rings, Miyamoto Musashi