The Book of Five Rings

The Book of Five Rings written in 1645 is about the "Way of Strategy," which is using certain techniques to take down the enemy. Because of when the book was written, you have to be aware of the imagery and language used - enemy, weapon, combat, sword, cutting and so on. Once you get beyond that, and use those words as metaphors, a lot can be gleaned from the book. The Book of Five Rings: Principles of the Way of StrategyDo 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. Think about the principles of strategy listed above. They are still relevant over three centuries later. Operate with integrity and honesty, know a little about everything, see things deeply, pay attention to details, and don't waste your time with things that do not matter.