I need a dose of the natural environment on a regular basis. It balances the bitumen and high rises of Collins Street.

I embrace the concept of enlightened self-interest - that in doing something for others, people also reap profound benefits for themselves. It might involve a little bit of sacrifice and discipline, but, and this is so crucial to understand, that participation has given me back so, so much more than I have given it.

I am confident there is a cause for everyone. Think of how you can contribute we all have different skills.