"We are at a critical point in time. We need to act now to save the planet."

"I often think about what the chimpanzees would say if they could talk. I think they'd tell us to be kinder to each other, and to the planet."

"I'm just a voice for the voiceless."

"I believe that there is hope for the future, as long as we don't give up."

"I've always felt that the human brain is the greatest weapon we have, and also the greatest tool."