Go-Ju is a Japanese term, meaning Hard and Soft. I think it originated from the term Go-ju ryu, meaning hard-soft style in karate, a Japanese martial art form. The concept of hard and soft refers to a system of yielding and pressing forward, a sort of push and pull if you will. The system recognises that in an engagement, the opponent uses force as well and this force can also be used alongside one’s own force of attack. You can see this more readily in martial art forms such as …