Self-defenses mean self-defense, period. It leave nothing out.

Protecting yourself is self-defense. Protecting others is warriorship.

A black belt is nothing more than a belt, a piece of cloth. Your ultimate goal should not be to get your black belt. Your ultimate goal should be to be a black belt. Being a black belt is a state of mind, a way of life.

Don't entertain others at the expense of your reputation.

There is no such thing as a fair fight.

Basic self-defense classes teach you 200 different techniques for 200 different situations, and the martial arts teach intricate techniques that require practice, but will prove to be more effective.