The warrior is different in that studying the Way of strategy is based on overcoming men

The spirit of defeating a man is the same for ten million men. The strategist makes small things into big things, like building a great Buddha from a one foot model.

True warriors are fierce because their training is fierce.

In the construction of houses, choice of woods is made. Straight un-knotted timber of good appearance is used for the revealed pillars, straight timber with small defects is used for the inner pillars. Timbers of the finest appearance, even if a little weak, is used for the thresholds, lintels, doors, and sliding doors, and so on. Good strong timber, though it be gnarled and knotted, can always be used discreetly in construction.

No man is invincible, and therefore no man can fully understand that which would make him invincible

Polish your wisdom: learn public justice, distinguish between good and evil, study the ways of different arts one by one.

Do not think dishonestly... Distinguish between gain and loss in worldly matters. Develop intuitive judgement and understanding for everything. Perceive those things which cannot be seen. Pay attention even to trifles. Do nothing which is of no use.