�ϻ�����Ӯ����

“Rorion used to say that when a person walks into a Jiu-Jitsu school they're never walking in thinking, I wonder if these guys can teach me to be a world champion. The first thing on the average person's mind when they walk into a martial arts school is self-defense. They're walking in because they want to learn how to defend themselves in a worst-case scenario out in the world. That's most people's underlying insecurity.”