JKD-Scientific Street Fighting

Simplicity. Directness. Freedom.

The Way of the Intercepting Fist

Jeet Kune Do (JKD) is more than a martial art — it’s a philosophy of movement, adaptability, and self-expression created by Bruce Lee in the late 1960s. Rather than being a fixed style with rigid techniques, JKD is about efficiency, directness, and using only what works.

What Is Jeet Kune Do?

At its core, JKD emphasizes:

• Simplicity – stripping away unnecessary movements.

• Directness – taking the straight line to the target.

• Freedom – adapting without being bound by tradition or patterns.

Bruce Lee described JKD not as a style, but as a process of discovery. It is about expressing yourself honestly in combat, without limitation.

Principles of JKD

• Economy of Motion: Minimal effort, maximum effect.

• Adaptability: Flowing with changing situations.

• Interception: Striking before the opponent completes their attack.

• Personal Expression: Finding what works best for you.

A Philosophy, Not a System

Jeet Kune Do does not rely on set forms, katas, or routines. Instead, it encourages practitioners to absorb what is useful, reject what is useless, and add what is uniquely their own. JKD borrows from boxing, fencing, Wing Chun, and countless other arts — but it is not bound by any of them.

Benefits of Studying JKD

While it began as a martial art, many find that the principles of JKD extend into everyday life.

• Clarity: Learning to cut away the nonessential.

• Confidence: Moving with decisiveness and efficiency.

• Flexibility: Adapting to change, whether in training or in daily challenges.

• Self-Expression: Developing a way of moving and thinking that is uniquely your own.

Bruce Lee’s Vision

Bruce Lee believed that the highest level of martial arts was not memorizing techniques, but cultivating adaptability and self-knowledge. His famous words, “Be water, my friend,” capture the essence of JKD — fluid, formless, and ever-changing.

Today’s Jeet Kune Do

Decades after its creation, JKD continues to inspire martial artists, athletes, and thinkers around the world. Some approach it as a combat method, others as a personal philosophy. What remains constant is its timeless lesson: freedom comes from simplicity and adaptability.