Bob Brown

"The future will either be green or not at all."

"Behind every successful man there's a lot of unsuccessful years."

"We have got some very big problems confronting us and let us not make any mistake about it, human history in the future is fraught with tragedy ... It's only through people making a stand against that tragedy and being doggedly optimistic that we are going to win through. If you look at the plight of the human race it could well tip you into despair, so you have to be very strong."