What are the three treasures of the human body?
Jing - (Essence)
Chi - (Vital Energy)
Shen - (Spirit)

"Accumulate Shen to promote Chi
Accumulate Chi to promote Jing
Refine Jing until it becomes Chi
Refine Chi into Shen
Refine Shen to emptiness
This is the way to strengthen, support and increase the Jing, Chi and Shen of the body."

What is Wu De?
Wu De (martial virtue) is the established code of conduct (morals) for martial artists and covers two main areas: the actions and the mind set of the Practitioner.
In The Action, one should express Humility, Respect, Righteousness, Trust, and Loyalty.
In The Mind, one must have Will, Endurance, Perseverance, Patience, and Courage.