Jeet Kune Do: The Principles | Of A Complete Fighter

Total adaptability to an opponent's rhythm and style. The Four Stages of Cultivation

Striking without preparatory "wind-up" movements.

To help you apply these principles to a specific or combat scenario :

Techniques become instinctive; no conscious thought is required.

A specific technique you'd like to refine (e.g., the lead straight, footwork).

Running to extremes; having little understanding of the whole.

Learning techniques and beginning to flow between them.

The philosophy of hacking away the unessential rather than adding more complex moves.