Which hybrid philosophy of martial arts was conceived by Bruce Lee?

The concept of Jeet Kune Do was "To be like water". In other words, you changed your technique to suit the situation, just like water changes its form in order to fit the shape of the receptacle.

I'm the first to comment! Yay!

One of the few people I ever looked up to. Gone too soon.

Sounds Like how we worked at a grocery company in Germany. We Got Lots of good Quality Work done.

Studied it. Very mind opening. second to comment! Woohoo!