Yes, people are roughed up a little. People are struck. People are taken to the floor.
Martial arts cannot be practiced without physical contact taking place.
Yet, no one takes offence. No one bullies. And no one is embarrassed, hurt or made to feel useless.
The mood of the class is one of fun and exploration.
Instead of strutting around pretending to be Bruce Lee, our students are like scientists; amazed by how the art enables them to evade and counter with such seeming ease.
The simplicity and the wider implications of the tai chi chuan cause wonder, not fear.