You and your opponent are one. There is a coexisting relationship between you. You coexist with your opponent and become his complement, absorbing his attack and using his force to overcome him.
Bruce LeeSelf-knowledge involves relationship. To know oneself is to study one self in action with another person. Relationship is a process of self evaluation and self revelation. Relationship is the mirror in which you discover yourself - to be is to be related.
Bruce Lee