It bears repeating...

[dchenes]

I have no parents:
I make the heavens and earth my parents.
I have no home:
I make awareness my home.
I have no life or death:
I make the tides of breathing my life and death.
I have no divine power:
I make honesty my divine power.
I have no means:
I make understanding my means.
I have no magic secrets:
I make character my magic secret.
I have no body:
I make endurance my body.
I have no eyes:
I make the flash of lightning my eyes.
I have no ears:
I make sensibility my ears.
I have no limbs:
I make promptness my limbs.
I have no strategy:
I make "unshadowed by thought" my strategy.
I have no designs:
I make "seizing opportunity by the forelock" my design.
I have no miracles:
I make right-action my miracles.
I have no principles:
I make adaptibility to all circumstances my principles.
I have no tactics:
I make emptiness and fullness my tactics.
I have no talent:
I make ready wit my talent.
I have no friends:
I make my mind my friend.
I have no enemy:
I make carelessness my enemy.
I have no armor:
I make benevolence and righteousness my armor.
I have no castle:
I make immovable-mind my castle.
I have no sword:
I make absence of self my sword.

Anonymous samurai, 14th century