"I can't imagine living without hope. It's what keeps me going."

"I'm often asked if I get lonely out in the field. And the answer is no, because I'm surrounded by life."

"The greatest lesson I learned from the chimpanzees is that we are all connected."

"We need to teach our children to be compassionate, and to care about all living things."

"I believe that the human heart, when it is truly open, is capable of great compassion."