The Way of Strategy (#18): How to Be An Expert

From A Book of Five Rings (Go Rin No Sho)
Written by Miyamoto Musashi Translated by Victor Harris

• Do not think dishonestly.
• The Way is in training.
• Become acquainted with every art.
• Know the Ways of all professions.
• Distinguish between gain and loss in worldly matters.
• Develop intuitive judgment and understanding for everything.
• Perceive those things which cannot be seen.
• Pay attention even to trifles.
• Do nothing which is of no use.

You can find more information on the Five Rings at Samurai.com.