Yoga class is intimate even just from the standpoint of taking off your socks. Exposing your bare feet can be a big deal. You may be an African American next to a Caucasian or a Latino. But once practice begins and we drop in, separation dissolves.

When you're on the yard, prisoner politics dictate that you only socialize with your own race. If you fraternize with other races, you can get taught a painful lesson. And there are inmates with a level of consciousness who feel it's their duty to enforce this segregation.

Ninety percent of what most yoga teachers do is teach asana practice. While asana discharges stress and so forth, it was never intended to be a standalone practice. The true intent of yoga is personal transformation. What we get out of the privilege of teaching prisoners is the opportunity to focus on our own personal development. You can be of service, and, while helping others transform their lives, you have the deeper opportunity to transform your own. What we teach in prison is how we live our lives.

There's often an assumption you're more privileged if you belong to a family with people who have made a success.

You will surely smile with me when I say, 'Thank God one can still recognise self-pity as such and not give it any greater dignity than just that.

Childhood is so important. Without a loving one, you're vulnerable throughout your life. We're all the things our parents are - the good and the not so good. Thankfully, I have a wonderful wife who's a brilliant mother.

Sensitivity is equated with weakness. Feelings are for women. It's OK to express happiness or anger, but it's not OK to feel fear or sadness. This gets exaggerated in prison.