Principles Theories & Practice of Jun Fan Gung Fu/Jeet Kune Do Vol.1

First, before I started writing my book, I considered that people would like to know the opposite. The reason for this is, most of the times we would really like to know and define things and subjects to their right side, as we always do! For example, what is this, and what is the difference between this and the other facts or things that creates the comparison.